Home / 14,711.20-22,066.80-13,098.40

Finding the Fourth Proportional to 14,711.20, 22,066.80 and 13,098.40

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Solution

The fourth proportional to 14,711.20, 22,066.80 and 13,098.40 is: 19,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.20 : 22,066.80 = 13,098.40 : x
  2. Step 2: Convert to fraction form
    14,711.20/22,066.80 = 13,098.40/x
  3. Step 3: Cross multiply
    14,711.20x = 22,066.80 × 13,098.40
  4. Step 4: Simplify right side
    14,711.20x = 289,039,773.12
  5. Step 5: Solve for x
    x = 289,039,773.12/14,711.20
  6. Step 6: Final answer
    x = 19,647.60

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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.