Home / 26,655.18-39,968.07-10,856.17

Finding the Fourth Proportional to 26,655.18, 39,968.07 and 10,856.17

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Solution

The fourth proportional to 26,655.18, 39,968.07 and 10,856.17 is: 16,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.18 : 39,968.07 = 10,856.17 : x
  2. Step 2: Convert to fraction form
    26,655.18/39,968.07 = 10,856.17/x
  3. Step 3: Cross multiply
    26,655.18x = 39,968.07 × 10,856.17
  4. Step 4: Simplify right side
    26,655.18x = 433,900,162.49
  5. Step 5: Solve for x
    x = 433,900,162.49/26,655.18
  6. Step 6: Final answer
    x = 16,278.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.