Home / 23,121.60-34,667.04-9,970.56

Finding the Fourth Proportional to 23,121.60, 34,667.04 and 9,970.56

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Solution

The fourth proportional to 23,121.60, 34,667.04 and 9,970.56 is: 14,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.60 : 34,667.04 = 9,970.56 : x
  2. Step 2: Convert to fraction form
    23,121.60/34,667.04 = 9,970.56/x
  3. Step 3: Cross multiply
    23,121.60x = 34,667.04 × 9,970.56
  4. Step 4: Simplify right side
    23,121.60x = 345,649,802.34
  5. Step 5: Solve for x
    x = 345,649,802.34/23,121.60
  6. Step 6: Final answer
    x = 14,949.22

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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.