Home / 19,505.20-29,257.80-14,897.20

Finding the Fourth Proportional to 19,505.20, 29,257.80 and 14,897.20

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Solution

The fourth proportional to 19,505.20, 29,257.80 and 14,897.20 is: 22,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.20 : 29,257.80 = 14,897.20 : x
  2. Step 2: Convert to fraction form
    19,505.20/29,257.80 = 14,897.20/x
  3. Step 3: Cross multiply
    19,505.20x = 29,257.80 × 14,897.20
  4. Step 4: Simplify right side
    19,505.20x = 435,859,298.16
  5. Step 5: Solve for x
    x = 435,859,298.16/19,505.20
  6. Step 6: Final answer
    x = 22,345.80

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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.