Home / 14,839.59-20,477.85-8,123.93

Finding the Fourth Proportional to 14,839.59, 20,477.85 and 8,123.93

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Solution

The fourth proportional to 14,839.59, 20,477.85 and 8,123.93 is: 11,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.59 : 20,477.85 = 8,123.93 : x
  2. Step 2: Convert to fraction form
    14,839.59/20,477.85 = 8,123.93/x
  3. Step 3: Cross multiply
    14,839.59x = 20,477.85 × 8,123.93
  4. Step 4: Simplify right side
    14,839.59x = 166,360,476.94
  5. Step 5: Solve for x
    x = 166,360,476.94/14,839.59
  6. Step 6: Final answer
    x = 11,210.59

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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.