Home / 18,113.25-25,006.02-14,124.81

Finding the Fourth Proportional to 18,113.25, 25,006.02 and 14,124.81

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Solution

The fourth proportional to 18,113.25, 25,006.02 and 14,124.81 is: 19,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.25 : 25,006.02 = 14,124.81 : x
  2. Step 2: Convert to fraction form
    18,113.25/25,006.02 = 14,124.81/x
  3. Step 3: Cross multiply
    18,113.25x = 25,006.02 × 14,124.81
  4. Step 4: Simplify right side
    18,113.25x = 353,205,281.36
  5. Step 5: Solve for x
    x = 353,205,281.36/18,113.25
  6. Step 6: Final answer
    x = 19,499.83

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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.