Home / 21,263.18-29,348.40-16,473.65

Finding the Fourth Proportional to 21,263.18, 29,348.40 and 16,473.65

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Solution

The fourth proportional to 21,263.18, 29,348.40 and 16,473.65 is: 22,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.18 : 29,348.40 = 16,473.65 : x
  2. Step 2: Convert to fraction form
    21,263.18/29,348.40 = 16,473.65/x
  3. Step 3: Cross multiply
    21,263.18x = 29,348.40 × 16,473.65
  4. Step 4: Simplify right side
    21,263.18x = 483,475,385.99
  5. Step 5: Solve for x
    x = 483,475,385.99/21,263.18
  6. Step 6: Final answer
    x = 22,737.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.