Home / 18,479.28-25,500.96-10,095.60

Finding the Fourth Proportional to 18,479.28, 25,500.96 and 10,095.60

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Solution

The fourth proportional to 18,479.28, 25,500.96 and 10,095.60 is: 13,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.28 : 25,500.96 = 10,095.60 : x
  2. Step 2: Convert to fraction form
    18,479.28/25,500.96 = 10,095.60/x
  3. Step 3: Cross multiply
    18,479.28x = 25,500.96 × 10,095.60
  4. Step 4: Simplify right side
    18,479.28x = 257,447,491.78
  5. Step 5: Solve for x
    x = 257,447,491.78/18,479.28
  6. Step 6: Final answer
    x = 13,931.68

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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.