Home / 14,177.53-19,555.02-12,285.78

Finding the Fourth Proportional to 14,177.53, 19,555.02 and 12,285.78

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Solution

The fourth proportional to 14,177.53, 19,555.02 and 12,285.78 is: 16,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.53 : 19,555.02 = 12,285.78 : x
  2. Step 2: Convert to fraction form
    14,177.53/19,555.02 = 12,285.78/x
  3. Step 3: Cross multiply
    14,177.53x = 19,555.02 × 12,285.78
  4. Step 4: Simplify right side
    14,177.53x = 240,248,600.28
  5. Step 5: Solve for x
    x = 240,248,600.28/14,177.53
  6. Step 6: Final answer
    x = 16,945.73

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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.