Home / 15,543.48-23,315.53-5,682.75

Finding the Fourth Proportional to 15,543.48, 23,315.53 and 5,682.75

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Solution

The fourth proportional to 15,543.48, 23,315.53 and 5,682.75 is: 8,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.48 : 23,315.53 = 5,682.75 : x
  2. Step 2: Convert to fraction form
    15,543.48/23,315.53 = 5,682.75/x
  3. Step 3: Cross multiply
    15,543.48x = 23,315.53 × 5,682.75
  4. Step 4: Simplify right side
    15,543.48x = 132,496,328.11
  5. Step 5: Solve for x
    x = 132,496,328.11/15,543.48
  6. Step 6: Final answer
    x = 8,524.24

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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.