Home / 18,045.48-24,904.08-10,087.20

Finding the Fourth Proportional to 18,045.48, 24,904.08 and 10,087.20

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Solution

The fourth proportional to 18,045.48, 24,904.08 and 10,087.20 is: 13,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.48 : 24,904.08 = 10,087.20 : x
  2. Step 2: Convert to fraction form
    18,045.48/24,904.08 = 10,087.20/x
  3. Step 3: Cross multiply
    18,045.48x = 24,904.08 × 10,087.20
  4. Step 4: Simplify right side
    18,045.48x = 251,212,435.78
  5. Step 5: Solve for x
    x = 251,212,435.78/18,045.48
  6. Step 6: Final answer
    x = 13,921.07

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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.