Home / 18,130.19-25,019.28-10,063.38

Finding the Fourth Proportional to 18,130.19, 25,019.28 and 10,063.38

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Solution

The fourth proportional to 18,130.19, 25,019.28 and 10,063.38 is: 13,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.19 : 25,019.28 = 10,063.38 : x
  2. Step 2: Convert to fraction form
    18,130.19/25,019.28 = 10,063.38/x
  3. Step 3: Cross multiply
    18,130.19x = 25,019.28 × 10,063.38
  4. Step 4: Simplify right side
    18,130.19x = 251,778,521.97
  5. Step 5: Solve for x
    x = 251,778,521.97/18,130.19
  6. Step 6: Final answer
    x = 13,887.25

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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.