Home / 14,848.38-20,490.90-8,560.75

Finding the Fourth Proportional to 14,848.38, 20,490.90 and 8,560.75

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Solution

The fourth proportional to 14,848.38, 20,490.90 and 8,560.75 is: 11,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.38 : 20,490.90 = 8,560.75 : x
  2. Step 2: Convert to fraction form
    14,848.38/20,490.90 = 8,560.75/x
  3. Step 3: Cross multiply
    14,848.38x = 20,490.90 × 8,560.75
  4. Step 4: Simplify right side
    14,848.38x = 175,417,472.18
  5. Step 5: Solve for x
    x = 175,417,472.18/14,848.38
  6. Step 6: Final answer
    x = 11,813.91

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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.