Home / 15,966.70-24,004.11-12,868.45

Finding the Fourth Proportional to 15,966.70, 24,004.11 and 12,868.45

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Solution

The fourth proportional to 15,966.70, 24,004.11 and 12,868.45 is: 19,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.70 : 24,004.11 = 12,868.45 : x
  2. Step 2: Convert to fraction form
    15,966.70/24,004.11 = 12,868.45/x
  3. Step 3: Cross multiply
    15,966.70x = 24,004.11 × 12,868.45
  4. Step 4: Simplify right side
    15,966.70x = 308,895,689.33
  5. Step 5: Solve for x
    x = 308,895,689.33/15,966.70
  6. Step 6: Final answer
    x = 19,346.24

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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.