Home / 18,751.28-25,875.58-10,367.80

Finding the Fourth Proportional to 18,751.28, 25,875.58 and 10,367.80

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Solution

The fourth proportional to 18,751.28, 25,875.58 and 10,367.80 is: 14,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.28 : 25,875.58 = 10,367.80 : x
  2. Step 2: Convert to fraction form
    18,751.28/25,875.58 = 10,367.80/x
  3. Step 3: Cross multiply
    18,751.28x = 25,875.58 × 10,367.80
  4. Step 4: Simplify right side
    18,751.28x = 268,272,838.32
  5. Step 5: Solve for x
    x = 268,272,838.32/18,751.28
  6. Step 6: Final answer
    x = 14,306.91

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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.