Home / 18,117.39-25,002.64-10,562.45

Finding the Fourth Proportional to 18,117.39, 25,002.64 and 10,562.45

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Solution

The fourth proportional to 18,117.39, 25,002.64 and 10,562.45 is: 14,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.39 : 25,002.64 = 10,562.45 : x
  2. Step 2: Convert to fraction form
    18,117.39/25,002.64 = 10,562.45/x
  3. Step 3: Cross multiply
    18,117.39x = 25,002.64 × 10,562.45
  4. Step 4: Simplify right side
    18,117.39x = 264,088,983.45
  5. Step 5: Solve for x
    x = 264,088,983.45/18,117.39
  6. Step 6: Final answer
    x = 14,576.54

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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.