Home / 15,396.55-21,252.49-9,025.18

Finding the Fourth Proportional to 15,396.55, 21,252.49 and 9,025.18

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Solution

The fourth proportional to 15,396.55, 21,252.49 and 9,025.18 is: 12,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.55 : 21,252.49 = 9,025.18 : x
  2. Step 2: Convert to fraction form
    15,396.55/21,252.49 = 9,025.18/x
  3. Step 3: Cross multiply
    15,396.55x = 21,252.49 × 9,025.18
  4. Step 4: Simplify right side
    15,396.55x = 191,807,472.00
  5. Step 5: Solve for x
    x = 191,807,472.00/15,396.55
  6. Step 6: Final answer
    x = 12,457.82

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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.