Home / 15,381.03-23,019.30-9,838.20

Finding the Fourth Proportional to 15,381.03, 23,019.30 and 9,838.20

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Solution

The fourth proportional to 15,381.03, 23,019.30 and 9,838.20 is: 14,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.03 : 23,019.30 = 9,838.20 : x
  2. Step 2: Convert to fraction form
    15,381.03/23,019.30 = 9,838.20/x
  3. Step 3: Cross multiply
    15,381.03x = 23,019.30 × 9,838.20
  4. Step 4: Simplify right side
    15,381.03x = 226,468,477.26
  5. Step 5: Solve for x
    x = 226,468,477.26/15,381.03
  6. Step 6: Final answer
    x = 14,723.88

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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.