Home / 17,649.68-26,427.16-9,312.40

Finding the Fourth Proportional to 17,649.68, 26,427.16 and 9,312.40

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Solution

The fourth proportional to 17,649.68, 26,427.16 and 9,312.40 is: 13,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.68 : 26,427.16 = 9,312.40 : x
  2. Step 2: Convert to fraction form
    17,649.68/26,427.16 = 9,312.40/x
  3. Step 3: Cross multiply
    17,649.68x = 26,427.16 × 9,312.40
  4. Step 4: Simplify right side
    17,649.68x = 246,100,284.78
  5. Step 5: Solve for x
    x = 246,100,284.78/17,649.68
  6. Step 6: Final answer
    x = 13,943.61

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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.