Home / 26,445.22-36,441.66-18,870.20

Finding the Fourth Proportional to 26,445.22, 36,441.66 and 18,870.20

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Solution

The fourth proportional to 26,445.22, 36,441.66 and 18,870.20 is: 26,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.22 : 36,441.66 = 18,870.20 : x
  2. Step 2: Convert to fraction form
    26,445.22/36,441.66 = 18,870.20/x
  3. Step 3: Cross multiply
    26,445.22x = 36,441.66 × 18,870.20
  4. Step 4: Simplify right side
    26,445.22x = 687,661,412.53
  5. Step 5: Solve for x
    x = 687,661,412.53/26,445.22
  6. Step 6: Final answer
    x = 26,003.24

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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.