Home / 20,252.28-27,948.81-11,300.16

Finding the Fourth Proportional to 20,252.28, 27,948.81 and 11,300.16

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Solution

The fourth proportional to 20,252.28, 27,948.81 and 11,300.16 is: 15,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.28 : 27,948.81 = 11,300.16 : x
  2. Step 2: Convert to fraction form
    20,252.28/27,948.81 = 11,300.16/x
  3. Step 3: Cross multiply
    20,252.28x = 27,948.81 × 11,300.16
  4. Step 4: Simplify right side
    20,252.28x = 315,826,024.81
  5. Step 5: Solve for x
    x = 315,826,024.81/20,252.28
  6. Step 6: Final answer
    x = 15,594.59

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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.