Home / 15,376.59-23,049.90-7,880.16

Finding the Fourth Proportional to 15,376.59, 23,049.90 and 7,880.16

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Solution

The fourth proportional to 15,376.59, 23,049.90 and 7,880.16 is: 11,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.59 : 23,049.90 = 7,880.16 : x
  2. Step 2: Convert to fraction form
    15,376.59/23,049.90 = 7,880.16/x
  3. Step 3: Cross multiply
    15,376.59x = 23,049.90 × 7,880.16
  4. Step 4: Simplify right side
    15,376.59x = 181,636,899.98
  5. Step 5: Solve for x
    x = 181,636,899.98/15,376.59
  6. Step 6: Final answer
    x = 11,812.56

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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.