Home / 19,616.59-29,428.40-7,154.11

Finding the Fourth Proportional to 19,616.59, 29,428.40 and 7,154.11

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Solution

The fourth proportional to 19,616.59, 29,428.40 and 7,154.11 is: 10,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.59 : 29,428.40 = 7,154.11 : x
  2. Step 2: Convert to fraction form
    19,616.59/29,428.40 = 7,154.11/x
  3. Step 3: Cross multiply
    19,616.59x = 29,428.40 × 7,154.11
  4. Step 4: Simplify right side
    19,616.59x = 210,534,010.72
  5. Step 5: Solve for x
    x = 210,534,010.72/19,616.59
  6. Step 6: Final answer
    x = 10,732.45

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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.