Home / 18,052.08-24,931.40-12,401.72

Finding the Fourth Proportional to 18,052.08, 24,931.40 and 12,401.72

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Solution

The fourth proportional to 18,052.08, 24,931.40 and 12,401.72 is: 17,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.08 : 24,931.40 = 12,401.72 : x
  2. Step 2: Convert to fraction form
    18,052.08/24,931.40 = 12,401.72/x
  3. Step 3: Cross multiply
    18,052.08x = 24,931.40 × 12,401.72
  4. Step 4: Simplify right side
    18,052.08x = 309,192,242.01
  5. Step 5: Solve for x
    x = 309,192,242.01/18,052.08
  6. Step 6: Final answer
    x = 17,127.79

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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.