Home / 22,484.12-31,027.28-12,412.35

Finding the Fourth Proportional to 22,484.12, 31,027.28 and 12,412.35

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Solution

The fourth proportional to 22,484.12, 31,027.28 and 12,412.35 is: 17,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.12 : 31,027.28 = 12,412.35 : x
  2. Step 2: Convert to fraction form
    22,484.12/31,027.28 = 12,412.35/x
  3. Step 3: Cross multiply
    22,484.12x = 31,027.28 × 12,412.35
  4. Step 4: Simplify right side
    22,484.12x = 385,121,280.49
  5. Step 5: Solve for x
    x = 385,121,280.49/22,484.12
  6. Step 6: Final answer
    x = 17,128.59

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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.