Home / 19,472.59-29,188.02-13,909.06

Finding the Fourth Proportional to 19,472.59, 29,188.02 and 13,909.06

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Solution

The fourth proportional to 19,472.59, 29,188.02 and 13,909.06 is: 20,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.59 : 29,188.02 = 13,909.06 : x
  2. Step 2: Convert to fraction form
    19,472.59/29,188.02 = 13,909.06/x
  3. Step 3: Cross multiply
    19,472.59x = 29,188.02 × 13,909.06
  4. Step 4: Simplify right side
    19,472.59x = 405,977,848.49
  5. Step 5: Solve for x
    x = 405,977,848.49/19,472.59
  6. Step 6: Final answer
    x = 20,848.69

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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.