Home / 20,041.48-27,656.87-11,088.75

Finding the Fourth Proportional to 20,041.48, 27,656.87 and 11,088.75

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Solution

The fourth proportional to 20,041.48, 27,656.87 and 11,088.75 is: 15,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.48 : 27,656.87 = 11,088.75 : x
  2. Step 2: Convert to fraction form
    20,041.48/27,656.87 = 11,088.75/x
  3. Step 3: Cross multiply
    20,041.48x = 27,656.87 × 11,088.75
  4. Step 4: Simplify right side
    20,041.48x = 306,680,117.21
  5. Step 5: Solve for x
    x = 306,680,117.21/20,041.48
  6. Step 6: Final answer
    x = 15,302.27

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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.