Home / 18,045.06-24,902.36-10,087.72

Finding the Fourth Proportional to 18,045.06, 24,902.36 and 10,087.72

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Solution

The fourth proportional to 18,045.06, 24,902.36 and 10,087.72 is: 13,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.06 : 24,902.36 = 10,087.72 : x
  2. Step 2: Convert to fraction form
    18,045.06/24,902.36 = 10,087.72/x
  3. Step 3: Cross multiply
    18,045.06x = 24,902.36 × 10,087.72
  4. Step 4: Simplify right side
    18,045.06x = 251,208,035.02
  5. Step 5: Solve for x
    x = 251,208,035.02/18,045.06
  6. Step 6: Final answer
    x = 13,921.15

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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.