Home / 18,580.95-25,641.18-10,082.70

Finding the Fourth Proportional to 18,580.95, 25,641.18 and 10,082.70

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Solution

The fourth proportional to 18,580.95, 25,641.18 and 10,082.70 is: 13,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.95 : 25,641.18 = 10,082.70 : x
  2. Step 2: Convert to fraction form
    18,580.95/25,641.18 = 10,082.70/x
  3. Step 3: Cross multiply
    18,580.95x = 25,641.18 × 10,082.70
  4. Step 4: Simplify right side
    18,580.95x = 258,532,325.59
  5. Step 5: Solve for x
    x = 258,532,325.59/18,580.95
  6. Step 6: Final answer
    x = 13,913.84

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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.