Home / 26,670.80-39,972.72-13,526.48

Finding the Fourth Proportional to 26,670.80, 39,972.72 and 13,526.48

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Solution

The fourth proportional to 26,670.80, 39,972.72 and 13,526.48 is: 20,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.80 : 39,972.72 = 13,526.48 : x
  2. Step 2: Convert to fraction form
    26,670.80/39,972.72 = 13,526.48/x
  3. Step 3: Cross multiply
    26,670.80x = 39,972.72 × 13,526.48
  4. Step 4: Simplify right side
    26,670.80x = 540,690,197.63
  5. Step 5: Solve for x
    x = 540,690,197.63/26,670.80
  6. Step 6: Final answer
    x = 20,272.74

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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.