Home / 26,255.95-39,386.38-10,457.17

Finding the Fourth Proportional to 26,255.95, 39,386.38 and 10,457.17

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Solution

The fourth proportional to 26,255.95, 39,386.38 and 10,457.17 is: 15,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.95 : 39,386.38 = 10,457.17 : x
  2. Step 2: Convert to fraction form
    26,255.95/39,386.38 = 10,457.17/x
  3. Step 3: Cross multiply
    26,255.95x = 39,386.38 × 10,457.17
  4. Step 4: Simplify right side
    26,255.95x = 411,870,045.20
  5. Step 5: Solve for x
    x = 411,870,045.20/26,255.95
  6. Step 6: Final answer
    x = 15,686.73

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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.