Home / 23,328.80-34,984.10-10,172.20

Finding the Fourth Proportional to 23,328.80, 34,984.10 and 10,172.20

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Solution

The fourth proportional to 23,328.80, 34,984.10 and 10,172.20 is: 15,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.80 : 34,984.10 = 10,172.20 : x
  2. Step 2: Convert to fraction form
    23,328.80/34,984.10 = 10,172.20/x
  3. Step 3: Cross multiply
    23,328.80x = 34,984.10 × 10,172.20
  4. Step 4: Simplify right side
    23,328.80x = 355,865,262.02
  5. Step 5: Solve for x
    x = 355,865,262.02/23,328.80
  6. Step 6: Final answer
    x = 15,254.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.