Home / 15,255.36-22,887.84-6,485.76

Finding the Fourth Proportional to 15,255.36, 22,887.84 and 6,485.76

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Solution

The fourth proportional to 15,255.36, 22,887.84 and 6,485.76 is: 9,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.36 : 22,887.84 = 6,485.76 : x
  2. Step 2: Convert to fraction form
    15,255.36/22,887.84 = 6,485.76/x
  3. Step 3: Cross multiply
    15,255.36x = 22,887.84 × 6,485.76
  4. Step 4: Simplify right side
    15,255.36x = 148,445,037.16
  5. Step 5: Solve for x
    x = 148,445,037.16/15,255.36
  6. Step 6: Final answer
    x = 9,730.68

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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.