Home / 15,764.60-23,648.56-6,403.21

Finding the Fourth Proportional to 15,764.60, 23,648.56 and 6,403.21

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Solution

The fourth proportional to 15,764.60, 23,648.56 and 6,403.21 is: 9,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.60 : 23,648.56 = 6,403.21 : x
  2. Step 2: Convert to fraction form
    15,764.60/23,648.56 = 6,403.21/x
  3. Step 3: Cross multiply
    15,764.60x = 23,648.56 × 6,403.21
  4. Step 4: Simplify right side
    15,764.60x = 151,426,732.46
  5. Step 5: Solve for x
    x = 151,426,732.46/15,764.60
  6. Step 6: Final answer
    x = 9,605.49

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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.