Home / 18,754.08-25,881.18-10,256.70

Finding the Fourth Proportional to 18,754.08, 25,881.18 and 10,256.70

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Solution

The fourth proportional to 18,754.08, 25,881.18 and 10,256.70 is: 14,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.08 : 25,881.18 = 10,256.70 : x
  2. Step 2: Convert to fraction form
    18,754.08/25,881.18 = 10,256.70/x
  3. Step 3: Cross multiply
    18,754.08x = 25,881.18 × 10,256.70
  4. Step 4: Simplify right side
    18,754.08x = 265,455,498.91
  5. Step 5: Solve for x
    x = 265,455,498.91/18,754.08
  6. Step 6: Final answer
    x = 14,154.55

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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.