Home / 18,123.84-25,008.60-10,572.66

Finding the Fourth Proportional to 18,123.84, 25,008.60 and 10,572.66

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Solution

The fourth proportional to 18,123.84, 25,008.60 and 10,572.66 is: 14,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.84 : 25,008.60 = 10,572.66 : x
  2. Step 2: Convert to fraction form
    18,123.84/25,008.60 = 10,572.66/x
  3. Step 3: Cross multiply
    18,123.84x = 25,008.60 × 10,572.66
  4. Step 4: Simplify right side
    18,123.84x = 264,407,424.88
  5. Step 5: Solve for x
    x = 264,407,424.88/18,123.84
  6. Step 6: Final answer
    x = 14,588.93

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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.