Home / 26,422.77-39,622.64-9,995.25

Finding the Fourth Proportional to 26,422.77, 39,622.64 and 9,995.25

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Solution

The fourth proportional to 26,422.77, 39,622.64 and 9,995.25 is: 14,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.77 : 39,622.64 = 9,995.25 : x
  2. Step 2: Convert to fraction form
    26,422.77/39,622.64 = 9,995.25/x
  3. Step 3: Cross multiply
    26,422.77x = 39,622.64 × 9,995.25
  4. Step 4: Simplify right side
    26,422.77x = 396,038,142.48
  5. Step 5: Solve for x
    x = 396,038,142.48/26,422.77
  6. Step 6: Final answer
    x = 14,988.52

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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.