Home / 15,618.60-23,398.74-10,428.12

Finding the Fourth Proportional to 15,618.60, 23,398.74 and 10,428.12

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Solution

The fourth proportional to 15,618.60, 23,398.74 and 10,428.12 is: 15,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.60 : 23,398.74 = 10,428.12 : x
  2. Step 2: Convert to fraction form
    15,618.60/23,398.74 = 10,428.12/x
  3. Step 3: Cross multiply
    15,618.60x = 23,398.74 × 10,428.12
  4. Step 4: Simplify right side
    15,618.60x = 244,004,868.57
  5. Step 5: Solve for x
    x = 244,004,868.57/15,618.60
  6. Step 6: Final answer
    x = 15,622.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.