Home / 15,543.36-23,305.32-5,152.68

Finding the Fourth Proportional to 15,543.36, 23,305.32 and 5,152.68

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Solution

The fourth proportional to 15,543.36, 23,305.32 and 5,152.68 is: 7,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.36 : 23,305.32 = 5,152.68 : x
  2. Step 2: Convert to fraction form
    15,543.36/23,305.32 = 5,152.68/x
  3. Step 3: Cross multiply
    15,543.36x = 23,305.32 × 5,152.68
  4. Step 4: Simplify right side
    15,543.36x = 120,084,856.26
  5. Step 5: Solve for x
    x = 120,084,856.26/15,543.36
  6. Step 6: Final answer
    x = 7,725.80

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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.