Home / 26,334.29-36,334.00-15,720.05

Finding the Fourth Proportional to 26,334.29, 36,334.00 and 15,720.05

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Solution

The fourth proportional to 26,334.29, 36,334.00 and 15,720.05 is: 21,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334.29 : 36,334.00 = 15,720.05 : x
  2. Step 2: Convert to fraction form
    26,334.29/36,334.00 = 15,720.05/x
  3. Step 3: Cross multiply
    26,334.29x = 36,334.00 × 15,720.05
  4. Step 4: Simplify right side
    26,334.29x = 571,172,407.19
  5. Step 5: Solve for x
    x = 571,172,407.19/26,334.29
  6. Step 6: Final answer
    x = 21,689.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.