Home / 29,455.35-40,635.16-19,892.13

Finding the Fourth Proportional to 29,455.35, 40,635.16 and 19,892.13

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Solution

The fourth proportional to 29,455.35, 40,635.16 and 19,892.13 is: 27,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.35 : 40,635.16 = 19,892.13 : x
  2. Step 2: Convert to fraction form
    29,455.35/40,635.16 = 19,892.13/x
  3. Step 3: Cross multiply
    29,455.35x = 40,635.16 × 19,892.13
  4. Step 4: Simplify right side
    29,455.35x = 808,319,885.29
  5. Step 5: Solve for x
    x = 808,319,885.29/29,455.35
  6. Step 6: Final answer
    x = 27,442.21

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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.