Home / 15,672.36-23,505.84-4,428.48

Finding the Fourth Proportional to 15,672.36, 23,505.84 and 4,428.48

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Solution

The fourth proportional to 15,672.36, 23,505.84 and 4,428.48 is: 6,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.36 : 23,505.84 = 4,428.48 : x
  2. Step 2: Convert to fraction form
    15,672.36/23,505.84 = 4,428.48/x
  3. Step 3: Cross multiply
    15,672.36x = 23,505.84 × 4,428.48
  4. Step 4: Simplify right side
    15,672.36x = 104,095,142.32
  5. Step 5: Solve for x
    x = 104,095,142.32/15,672.36
  6. Step 6: Final answer
    x = 6,641.96

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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.