Home / 22,042.34-30,417.48-12,482.75

Finding the Fourth Proportional to 22,042.34, 30,417.48 and 12,482.75

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Solution

The fourth proportional to 22,042.34, 30,417.48 and 12,482.75 is: 17,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.34 : 30,417.48 = 12,482.75 : x
  2. Step 2: Convert to fraction form
    22,042.34/30,417.48 = 12,482.75/x
  3. Step 3: Cross multiply
    22,042.34x = 30,417.48 × 12,482.75
  4. Step 4: Simplify right side
    22,042.34x = 379,693,646.38
  5. Step 5: Solve for x
    x = 379,693,646.38/22,042.34
  6. Step 6: Final answer
    x = 17,225.65

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Half scale
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Double scale
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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.