Home / 18,152.52-25,041.56-11,066.64

Finding the Fourth Proportional to 18,152.52, 25,041.56 and 11,066.64

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Solution

The fourth proportional to 18,152.52, 25,041.56 and 11,066.64 is: 15,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.52 : 25,041.56 = 11,066.64 : x
  2. Step 2: Convert to fraction form
    18,152.52/25,041.56 = 11,066.64/x
  3. Step 3: Cross multiply
    18,152.52x = 25,041.56 × 11,066.64
  4. Step 4: Simplify right side
    18,152.52x = 277,125,929.56
  5. Step 5: Solve for x
    x = 277,125,929.56/18,152.52
  6. Step 6: Final answer
    x = 15,266.53

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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.