Home / 22,017.03-30,383.51-12,585.80

Finding the Fourth Proportional to 22,017.03, 30,383.51 and 12,585.80

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Solution

The fourth proportional to 22,017.03, 30,383.51 and 12,585.80 is: 17,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.03 : 30,383.51 = 12,585.80 : x
  2. Step 2: Convert to fraction form
    22,017.03/30,383.51 = 12,585.80/x
  3. Step 3: Cross multiply
    22,017.03x = 30,383.51 × 12,585.80
  4. Step 4: Simplify right side
    22,017.03x = 382,400,565.31
  5. Step 5: Solve for x
    x = 382,400,565.31/22,017.03
  6. Step 6: Final answer
    x = 17,368.40

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Half scale
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Double scale
Find fourth proportional to 22,018.03, 30,384.89 and 12,586.80
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.