Home / 26,721.77-36,877.48-14,785.61

Finding the Fourth Proportional to 26,721.77, 36,877.48 and 14,785.61

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Solution

The fourth proportional to 26,721.77, 36,877.48 and 14,785.61 is: 20,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.77 : 36,877.48 = 14,785.61 : x
  2. Step 2: Convert to fraction form
    26,721.77/36,877.48 = 14,785.61/x
  3. Step 3: Cross multiply
    26,721.77x = 36,877.48 × 14,785.61
  4. Step 4: Simplify right side
    26,721.77x = 545,255,815.71
  5. Step 5: Solve for x
    x = 545,255,815.71/26,721.77
  6. Step 6: Final answer
    x = 20,404.93

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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.