Home / 23,075.20-31,822.52-15,404.92

Finding the Fourth Proportional to 23,075.20, 31,822.52 and 15,404.92

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Solution

The fourth proportional to 23,075.20, 31,822.52 and 15,404.92 is: 21,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.20 : 31,822.52 = 15,404.92 : x
  2. Step 2: Convert to fraction form
    23,075.20/31,822.52 = 15,404.92/x
  3. Step 3: Cross multiply
    23,075.20x = 31,822.52 × 15,404.92
  4. Step 4: Simplify right side
    23,075.20x = 490,223,374.80
  5. Step 5: Solve for x
    x = 490,223,374.80/23,075.20
  6. Step 6: Final answer
    x = 21,244.60

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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.