Home / 14,909.88-22,335.66-12,281.16

Finding the Fourth Proportional to 14,909.88, 22,335.66 and 12,281.16

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Solution

The fourth proportional to 14,909.88, 22,335.66 and 12,281.16 is: 18,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.88 : 22,335.66 = 12,281.16 : x
  2. Step 2: Convert to fraction form
    14,909.88/22,335.66 = 12,281.16/x
  3. Step 3: Cross multiply
    14,909.88x = 22,335.66 × 12,281.16
  4. Step 4: Simplify right side
    14,909.88x = 274,307,814.17
  5. Step 5: Solve for x
    x = 274,307,814.17/14,909.88
  6. Step 6: Final answer
    x = 18,397.72

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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.