Home / 18,747.64-25,870.70-10,248.08

Finding the Fourth Proportional to 18,747.64, 25,870.70 and 10,248.08

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Solution

The fourth proportional to 18,747.64, 25,870.70 and 10,248.08 is: 14,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.64 : 25,870.70 = 10,248.08 : x
  2. Step 2: Convert to fraction form
    18,747.64/25,870.70 = 10,248.08/x
  3. Step 3: Cross multiply
    18,747.64x = 25,870.70 × 10,248.08
  4. Step 4: Simplify right side
    18,747.64x = 265,124,899.52
  5. Step 5: Solve for x
    x = 265,124,899.52/18,747.64
  6. Step 6: Final answer
    x = 14,141.77

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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.