Home / 26,547.06-39,806.16-13,190.76

Finding the Fourth Proportional to 26,547.06, 39,806.16 and 13,190.76

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Solution

The fourth proportional to 26,547.06, 39,806.16 and 13,190.76 is: 19,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.06 : 39,806.16 = 13,190.76 : x
  2. Step 2: Convert to fraction form
    26,547.06/39,806.16 = 13,190.76/x
  3. Step 3: Cross multiply
    26,547.06x = 39,806.16 × 13,190.76
  4. Step 4: Simplify right side
    26,547.06x = 525,073,503.08
  5. Step 5: Solve for x
    x = 525,073,503.08/26,547.06
  6. Step 6: Final answer
    x = 19,778.97

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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.