Home / 23,031.04-34,378.40-19,765.12

Finding the Fourth Proportional to 23,031.04, 34,378.40 and 19,765.12

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Solution

The fourth proportional to 23,031.04, 34,378.40 and 19,765.12 is: 29,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.04 : 34,378.40 = 19,765.12 : x
  2. Step 2: Convert to fraction form
    23,031.04/34,378.40 = 19,765.12/x
  3. Step 3: Cross multiply
    23,031.04x = 34,378.40 × 19,765.12
  4. Step 4: Simplify right side
    23,031.04x = 679,493,201.41
  5. Step 5: Solve for x
    x = 679,493,201.41/23,031.04
  6. Step 6: Final answer
    x = 29,503.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.