Home / 14,703.80-20,288.07-8,737.47

Finding the Fourth Proportional to 14,703.80, 20,288.07 and 8,737.47

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Solution

The fourth proportional to 14,703.80, 20,288.07 and 8,737.47 is: 12,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.80 : 20,288.07 = 8,737.47 : x
  2. Step 2: Convert to fraction form
    14,703.80/20,288.07 = 8,737.47/x
  3. Step 3: Cross multiply
    14,703.80x = 20,288.07 × 8,737.47
  4. Step 4: Simplify right side
    14,703.80x = 177,266,402.98
  5. Step 5: Solve for x
    x = 177,266,402.98/14,703.80
  6. Step 6: Final answer
    x = 12,055.83

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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.