Home / 19,899.21-29,842.11-10,032.18

Finding the Fourth Proportional to 19,899.21, 29,842.11 and 10,032.18

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Solution

The fourth proportional to 19,899.21, 29,842.11 and 10,032.18 is: 15,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.21 : 29,842.11 = 10,032.18 : x
  2. Step 2: Convert to fraction form
    19,899.21/29,842.11 = 10,032.18/x
  3. Step 3: Cross multiply
    19,899.21x = 29,842.11 × 10,032.18
  4. Step 4: Simplify right side
    19,899.21x = 299,381,419.10
  5. Step 5: Solve for x
    x = 299,381,419.10/19,899.21
  6. Step 6: Final answer
    x = 15,044.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.