Home / 18,113.81-24,998.27-10,156.55

Finding the Fourth Proportional to 18,113.81, 24,998.27 and 10,156.55

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Solution

The fourth proportional to 18,113.81, 24,998.27 and 10,156.55 is: 14,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.81 : 24,998.27 = 10,156.55 : x
  2. Step 2: Convert to fraction form
    18,113.81/24,998.27 = 10,156.55/x
  3. Step 3: Cross multiply
    18,113.81x = 24,998.27 × 10,156.55
  4. Step 4: Simplify right side
    18,113.81x = 253,896,179.17
  5. Step 5: Solve for x
    x = 253,896,179.17/18,113.81
  6. Step 6: Final answer
    x = 14,016.72

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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.