Home / 15,950.20-22,011.24-9,898.19

Finding the Fourth Proportional to 15,950.20, 22,011.24 and 9,898.19

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Solution

The fourth proportional to 15,950.20, 22,011.24 and 9,898.19 is: 13,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.20 : 22,011.24 = 9,898.19 : x
  2. Step 2: Convert to fraction form
    15,950.20/22,011.24 = 9,898.19/x
  3. Step 3: Cross multiply
    15,950.20x = 22,011.24 × 9,898.19
  4. Step 4: Simplify right side
    15,950.20x = 217,871,325.60
  5. Step 5: Solve for x
    x = 217,871,325.60/15,950.20
  6. Step 6: Final answer
    x = 13,659.48

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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.