Home / 15,767.56-23,663.58-5,915.80

Finding the Fourth Proportional to 15,767.56, 23,663.58 and 5,915.80

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Solution

The fourth proportional to 15,767.56, 23,663.58 and 5,915.80 is: 8,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.56 : 23,663.58 = 5,915.80 : x
  2. Step 2: Convert to fraction form
    15,767.56/23,663.58 = 5,915.80/x
  3. Step 3: Cross multiply
    15,767.56x = 23,663.58 × 5,915.80
  4. Step 4: Simplify right side
    15,767.56x = 139,989,006.56
  5. Step 5: Solve for x
    x = 139,989,006.56/15,767.56
  6. Step 6: Final answer
    x = 8,878.29

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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.