Home / 26,718.03-36,871.53-14,781.60

Finding the Fourth Proportional to 26,718.03, 36,871.53 and 14,781.60

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Solution

The fourth proportional to 26,718.03, 36,871.53 and 14,781.60 is: 20,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.03 : 36,871.53 = 14,781.60 : x
  2. Step 2: Convert to fraction form
    26,718.03/36,871.53 = 14,781.60/x
  3. Step 3: Cross multiply
    26,718.03x = 36,871.53 × 14,781.60
  4. Step 4: Simplify right side
    26,718.03x = 545,020,207.85
  5. Step 5: Solve for x
    x = 545,020,207.85/26,718.03
  6. Step 6: Final answer
    x = 20,398.97

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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.