Home / 18,015.30-24,859.62-10,459.20

Finding the Fourth Proportional to 18,015.30, 24,859.62 and 10,459.20

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Solution

The fourth proportional to 18,015.30, 24,859.62 and 10,459.20 is: 14,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.30 : 24,859.62 = 10,459.20 : x
  2. Step 2: Convert to fraction form
    18,015.30/24,859.62 = 10,459.20/x
  3. Step 3: Cross multiply
    18,015.30x = 24,859.62 × 10,459.20
  4. Step 4: Simplify right side
    18,015.30x = 260,011,737.50
  5. Step 5: Solve for x
    x = 260,011,737.50/18,015.30
  6. Step 6: Final answer
    x = 14,432.83

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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.