Home / 26,909.39-37,130.76-14,972.69

Finding the Fourth Proportional to 26,909.39, 37,130.76 and 14,972.69

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Solution

The fourth proportional to 26,909.39, 37,130.76 and 14,972.69 is: 20,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.39 : 37,130.76 = 14,972.69 : x
  2. Step 2: Convert to fraction form
    26,909.39/37,130.76 = 14,972.69/x
  3. Step 3: Cross multiply
    26,909.39x = 37,130.76 × 14,972.69
  4. Step 4: Simplify right side
    26,909.39x = 555,947,451.77
  5. Step 5: Solve for x
    x = 555,947,451.77/26,909.39
  6. Step 6: Final answer
    x = 20,659.98

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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.