Home / 20,252.75-27,948.70-11,300.24

Finding the Fourth Proportional to 20,252.75, 27,948.70 and 11,300.24

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Solution

The fourth proportional to 20,252.75, 27,948.70 and 11,300.24 is: 15,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.75 : 27,948.70 = 11,300.24 : x
  2. Step 2: Convert to fraction form
    20,252.75/27,948.70 = 11,300.24/x
  3. Step 3: Cross multiply
    20,252.75x = 27,948.70 × 11,300.24
  4. Step 4: Simplify right side
    20,252.75x = 315,827,038.12
  5. Step 5: Solve for x
    x = 315,827,038.12/20,252.75
  6. Step 6: Final answer
    x = 15,594.28

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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.