Home / 26,721.16-36,875.78-14,785.34

Finding the Fourth Proportional to 26,721.16, 36,875.78 and 14,785.34

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Solution

The fourth proportional to 26,721.16, 36,875.78 and 14,785.34 is: 20,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.16 : 36,875.78 = 14,785.34 : x
  2. Step 2: Convert to fraction form
    26,721.16/36,875.78 = 14,785.34/x
  3. Step 3: Cross multiply
    26,721.16x = 36,875.78 × 14,785.34
  4. Step 4: Simplify right side
    26,721.16x = 545,220,945.07
  5. Step 5: Solve for x
    x = 545,220,945.07/26,721.16
  6. Step 6: Final answer
    x = 20,404.09

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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.