Home / 18,316.95-25,278.30-10,763.70

Finding the Fourth Proportional to 18,316.95, 25,278.30 and 10,763.70

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Solution

The fourth proportional to 18,316.95, 25,278.30 and 10,763.70 is: 14,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.95 : 25,278.30 = 10,763.70 : x
  2. Step 2: Convert to fraction form
    18,316.95/25,278.30 = 10,763.70/x
  3. Step 3: Cross multiply
    18,316.95x = 25,278.30 × 10,763.70
  4. Step 4: Simplify right side
    18,316.95x = 272,088,037.71
  5. Step 5: Solve for x
    x = 272,088,037.71/18,316.95
  6. Step 6: Final answer
    x = 14,854.44

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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.