Home / 26,208.08-36,155.06-15,445.61

Finding the Fourth Proportional to 26,208.08, 36,155.06 and 15,445.61

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Solution

The fourth proportional to 26,208.08, 36,155.06 and 15,445.61 is: 21,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,208.08 : 36,155.06 = 15,445.61 : x
  2. Step 2: Convert to fraction form
    26,208.08/36,155.06 = 15,445.61/x
  3. Step 3: Cross multiply
    26,208.08x = 36,155.06 × 15,445.61
  4. Step 4: Simplify right side
    26,208.08x = 558,436,879.06
  5. Step 5: Solve for x
    x = 558,436,879.06/26,208.08
  6. Step 6: Final answer
    x = 21,307.81

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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.