Home / 15,756.24-23,648.96-7,970.56

Finding the Fourth Proportional to 15,756.24, 23,648.96 and 7,970.56

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Solution

The fourth proportional to 15,756.24, 23,648.96 and 7,970.56 is: 11,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.24 : 23,648.96 = 7,970.56 : x
  2. Step 2: Convert to fraction form
    15,756.24/23,648.96 = 7,970.56/x
  3. Step 3: Cross multiply
    15,756.24x = 23,648.96 × 7,970.56
  4. Step 4: Simplify right side
    15,756.24x = 188,495,454.62
  5. Step 5: Solve for x
    x = 188,495,454.62/15,756.24
  6. Step 6: Final answer
    x = 11,963.23

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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.