Home / 15,915.36-23,875.92-5,524.32

Finding the Fourth Proportional to 15,915.36, 23,875.92 and 5,524.32

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Solution

The fourth proportional to 15,915.36, 23,875.92 and 5,524.32 is: 8,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.36 : 23,875.92 = 5,524.32 : x
  2. Step 2: Convert to fraction form
    15,915.36/23,875.92 = 5,524.32/x
  3. Step 3: Cross multiply
    15,915.36x = 23,875.92 × 5,524.32
  4. Step 4: Simplify right side
    15,915.36x = 131,898,222.37
  5. Step 5: Solve for x
    x = 131,898,222.37/15,915.36
  6. Step 6: Final answer
    x = 8,287.48

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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.