Home / 15,513.20-23,258.08-7,727.52

Finding the Fourth Proportional to 15,513.20, 23,258.08 and 7,727.52

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Solution

The fourth proportional to 15,513.20, 23,258.08 and 7,727.52 is: 11,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.20 : 23,258.08 = 7,727.52 : x
  2. Step 2: Convert to fraction form
    15,513.20/23,258.08 = 7,727.52/x
  3. Step 3: Cross multiply
    15,513.20x = 23,258.08 × 7,727.52
  4. Step 4: Simplify right side
    15,513.20x = 179,727,278.36
  5. Step 5: Solve for x
    x = 179,727,278.36/15,513.20
  6. Step 6: Final answer
    x = 11,585.44

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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.