Home / 26,863.40-37,060.88-15,530.82

Finding the Fourth Proportional to 26,863.40, 37,060.88 and 15,530.82

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Solution

The fourth proportional to 26,863.40, 37,060.88 and 15,530.82 is: 21,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.40 : 37,060.88 = 15,530.82 : x
  2. Step 2: Convert to fraction form
    26,863.40/37,060.88 = 15,530.82/x
  3. Step 3: Cross multiply
    26,863.40x = 37,060.88 × 15,530.82
  4. Step 4: Simplify right side
    26,863.40x = 575,585,856.32
  5. Step 5: Solve for x
    x = 575,585,856.32/26,863.40
  6. Step 6: Final answer
    x = 21,426.40

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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.