Home / 14,529.40-21,778.50-5,752.12

Finding the Fourth Proportional to 14,529.40, 21,778.50 and 5,752.12

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Solution

The fourth proportional to 14,529.40, 21,778.50 and 5,752.12 is: 8,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.40 : 21,778.50 = 5,752.12 : x
  2. Step 2: Convert to fraction form
    14,529.40/21,778.50 = 5,752.12/x
  3. Step 3: Cross multiply
    14,529.40x = 21,778.50 × 5,752.12
  4. Step 4: Simplify right side
    14,529.40x = 125,272,545.42
  5. Step 5: Solve for x
    x = 125,272,545.42/14,529.40
  6. Step 6: Final answer
    x = 8,622.00

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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.