Home / 23,210.24-32,031.36-13,140.92

Finding the Fourth Proportional to 23,210.24, 32,031.36 and 13,140.92

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Solution

The fourth proportional to 23,210.24, 32,031.36 and 13,140.92 is: 18,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,210.24 : 32,031.36 = 13,140.92 : x
  2. Step 2: Convert to fraction form
    23,210.24/32,031.36 = 13,140.92/x
  3. Step 3: Cross multiply
    23,210.24x = 32,031.36 × 13,140.92
  4. Step 4: Simplify right side
    23,210.24x = 420,921,539.25
  5. Step 5: Solve for x
    x = 420,921,539.25/23,210.24
  6. Step 6: Final answer
    x = 18,135.17

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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.