Home / 26,415.75-36,454.64-14,479.08

Finding the Fourth Proportional to 26,415.75, 36,454.64 and 14,479.08

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Solution

The fourth proportional to 26,415.75, 36,454.64 and 14,479.08 is: 19,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.75 : 36,454.64 = 14,479.08 : x
  2. Step 2: Convert to fraction form
    26,415.75/36,454.64 = 14,479.08/x
  3. Step 3: Cross multiply
    26,415.75x = 36,454.64 × 14,479.08
  4. Step 4: Simplify right side
    26,415.75x = 527,829,648.93
  5. Step 5: Solve for x
    x = 527,829,648.93/26,415.75
  6. Step 6: Final answer
    x = 19,981.63

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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.