Home / 15,598.29-21,527.12-8,525.78

Finding the Fourth Proportional to 15,598.29, 21,527.12 and 8,525.78

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Solution

The fourth proportional to 15,598.29, 21,527.12 and 8,525.78 is: 11,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.29 : 21,527.12 = 8,525.78 : x
  2. Step 2: Convert to fraction form
    15,598.29/21,527.12 = 8,525.78/x
  3. Step 3: Cross multiply
    15,598.29x = 21,527.12 × 8,525.78
  4. Step 4: Simplify right side
    15,598.29x = 183,535,402.83
  5. Step 5: Solve for x
    x = 183,535,402.83/15,598.29
  6. Step 6: Final answer
    x = 11,766.38

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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.