Home / 26,754.68-36,919.86-15,707.36

Finding the Fourth Proportional to 26,754.68, 36,919.86 and 15,707.36

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Solution

The fourth proportional to 26,754.68, 36,919.86 and 15,707.36 is: 21,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.68 : 36,919.86 = 15,707.36 : x
  2. Step 2: Convert to fraction form
    26,754.68/36,919.86 = 15,707.36/x
  3. Step 3: Cross multiply
    26,754.68x = 36,919.86 × 15,707.36
  4. Step 4: Simplify right side
    26,754.68x = 579,913,532.17
  5. Step 5: Solve for x
    x = 579,913,532.17/26,754.68
  6. Step 6: Final answer
    x = 21,675.22

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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.