Home / 19,373.18-29,013.63-13,455.97

Finding the Fourth Proportional to 19,373.18, 29,013.63 and 13,455.97

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Solution

The fourth proportional to 19,373.18, 29,013.63 and 13,455.97 is: 20,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.18 : 29,013.63 = 13,455.97 : x
  2. Step 2: Convert to fraction form
    19,373.18/29,013.63 = 13,455.97/x
  3. Step 3: Cross multiply
    19,373.18x = 29,013.63 × 13,455.97
  4. Step 4: Simplify right side
    19,373.18x = 390,406,534.87
  5. Step 5: Solve for x
    x = 390,406,534.87/19,373.18
  6. Step 6: Final answer
    x = 20,151.91

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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.