Home / 20,041.06-27,656.45-11,088.18

Finding the Fourth Proportional to 20,041.06, 27,656.45 and 11,088.18

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Solution

The fourth proportional to 20,041.06, 27,656.45 and 11,088.18 is: 15,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.06 : 27,656.45 = 11,088.18 : x
  2. Step 2: Convert to fraction form
    20,041.06/27,656.45 = 11,088.18/x
  3. Step 3: Cross multiply
    20,041.06x = 27,656.45 × 11,088.18
  4. Step 4: Simplify right side
    20,041.06x = 306,659,695.76
  5. Step 5: Solve for x
    x = 306,659,695.76/20,041.06
  6. Step 6: Final answer
    x = 15,301.57

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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.