Home / 14,715.84-22,077.60-8,909.76

Finding the Fourth Proportional to 14,715.84, 22,077.60 and 8,909.76

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Solution

The fourth proportional to 14,715.84, 22,077.60 and 8,909.76 is: 13,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.84 : 22,077.60 = 8,909.76 : x
  2. Step 2: Convert to fraction form
    14,715.84/22,077.60 = 8,909.76/x
  3. Step 3: Cross multiply
    14,715.84x = 22,077.60 × 8,909.76
  4. Step 4: Simplify right side
    14,715.84x = 196,706,117.38
  5. Step 5: Solve for x
    x = 196,706,117.38/14,715.84
  6. Step 6: Final answer
    x = 13,366.96

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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.