Home / 13,800.16-19,044.30-7,512.52

Finding the Fourth Proportional to 13,800.16, 19,044.30 and 7,512.52

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Solution

The fourth proportional to 13,800.16, 19,044.30 and 7,512.52 is: 10,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.16 : 19,044.30 = 7,512.52 : x
  2. Step 2: Convert to fraction form
    13,800.16/19,044.30 = 7,512.52/x
  3. Step 3: Cross multiply
    13,800.16x = 19,044.30 × 7,512.52
  4. Step 4: Simplify right side
    13,800.16x = 143,070,684.64
  5. Step 5: Solve for x
    x = 143,070,684.64/13,800.16
  6. Step 6: Final answer
    x = 10,367.32

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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.