Home / 20,252.63-27,948.71-11,300.51

Finding the Fourth Proportional to 20,252.63, 27,948.71 and 11,300.51

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Solution

The fourth proportional to 20,252.63, 27,948.71 and 11,300.51 is: 15,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.63 : 27,948.71 = 11,300.51 : x
  2. Step 2: Convert to fraction form
    20,252.63/27,948.71 = 11,300.51/x
  3. Step 3: Cross multiply
    20,252.63x = 27,948.71 × 11,300.51
  4. Step 4: Simplify right side
    20,252.63x = 315,834,620.34
  5. Step 5: Solve for x
    x = 315,834,620.34/20,252.63
  6. Step 6: Final answer
    x = 15,594.75

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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.