Home / 27,026.70-40,540.05-13,870.68

Finding the Fourth Proportional to 27,026.70, 40,540.05 and 13,870.68

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Solution

The fourth proportional to 27,026.70, 40,540.05 and 13,870.68 is: 20,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.70 : 40,540.05 = 13,870.68 : x
  2. Step 2: Convert to fraction form
    27,026.70/40,540.05 = 13,870.68/x
  3. Step 3: Cross multiply
    27,026.70x = 40,540.05 × 13,870.68
  4. Step 4: Simplify right side
    27,026.70x = 562,317,908.71
  5. Step 5: Solve for x
    x = 562,317,908.71/27,026.70
  6. Step 6: Final answer
    x = 20,806.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.