Home / 26,415.60-36,453.36-14,479.68

Finding the Fourth Proportional to 26,415.60, 36,453.36 and 14,479.68

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Solution

The fourth proportional to 26,415.60, 36,453.36 and 14,479.68 is: 19,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.60 : 36,453.36 = 14,479.68 : x
  2. Step 2: Convert to fraction form
    26,415.60/36,453.36 = 14,479.68/x
  3. Step 3: Cross multiply
    26,415.60x = 36,453.36 × 14,479.68
  4. Step 4: Simplify right side
    26,415.60x = 527,832,987.72
  5. Step 5: Solve for x
    x = 527,832,987.72/26,415.60
  6. Step 6: Final answer
    x = 19,981.87

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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.