Home / 21,737.03-29,983.16-14,927.76

Finding the Fourth Proportional to 21,737.03, 29,983.16 and 14,927.76

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Solution

The fourth proportional to 21,737.03, 29,983.16 and 14,927.76 is: 20,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.03 : 29,983.16 = 14,927.76 : x
  2. Step 2: Convert to fraction form
    21,737.03/29,983.16 = 14,927.76/x
  3. Step 3: Cross multiply
    21,737.03x = 29,983.16 × 14,927.76
  4. Step 4: Simplify right side
    21,737.03x = 447,581,453.84
  5. Step 5: Solve for x
    x = 447,581,453.84/21,737.03
  6. Step 6: Final answer
    x = 20,590.74

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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.