Home / 15,599.13-21,526.80-8,525.53

Finding the Fourth Proportional to 15,599.13, 21,526.80 and 8,525.53

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Solution

The fourth proportional to 15,599.13, 21,526.80 and 8,525.53 is: 11,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.13 : 21,526.80 = 8,525.53 : x
  2. Step 2: Convert to fraction form
    15,599.13/21,526.80 = 8,525.53/x
  3. Step 3: Cross multiply
    15,599.13x = 21,526.80 × 8,525.53
  4. Step 4: Simplify right side
    15,599.13x = 183,527,379.20
  5. Step 5: Solve for x
    x = 183,527,379.20/15,599.13
  6. Step 6: Final answer
    x = 11,765.23

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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.