Home / 26,248.36-39,328.70-18,443.20

Finding the Fourth Proportional to 26,248.36, 39,328.70 and 18,443.20

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Solution

The fourth proportional to 26,248.36, 39,328.70 and 18,443.20 is: 27,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,248.36 : 39,328.70 = 18,443.20 : x
  2. Step 2: Convert to fraction form
    26,248.36/39,328.70 = 18,443.20/x
  3. Step 3: Cross multiply
    26,248.36x = 39,328.70 × 18,443.20
  4. Step 4: Simplify right side
    26,248.36x = 725,347,079.84
  5. Step 5: Solve for x
    x = 725,347,079.84/26,248.36
  6. Step 6: Final answer
    x = 27,634.00

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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.