Home / 18,130.91-25,023.15-10,173.61

Finding the Fourth Proportional to 18,130.91, 25,023.15 and 10,173.61

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Solution

The fourth proportional to 18,130.91, 25,023.15 and 10,173.61 is: 14,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.91 : 25,023.15 = 10,173.61 : x
  2. Step 2: Convert to fraction form
    18,130.91/25,023.15 = 10,173.61/x
  3. Step 3: Cross multiply
    18,130.91x = 25,023.15 × 10,173.61
  4. Step 4: Simplify right side
    18,130.91x = 254,575,706.51
  5. Step 5: Solve for x
    x = 254,575,706.51/18,130.91
  6. Step 6: Final answer
    x = 14,040.98

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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.