Home / 15,905.49-23,857.48-5,374.81

Finding the Fourth Proportional to 15,905.49, 23,857.48 and 5,374.81

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Solution

The fourth proportional to 15,905.49, 23,857.48 and 5,374.81 is: 8,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.49 : 23,857.48 = 5,374.81 : x
  2. Step 2: Convert to fraction form
    15,905.49/23,857.48 = 5,374.81/x
  3. Step 3: Cross multiply
    15,905.49x = 23,857.48 × 5,374.81
  4. Step 4: Simplify right side
    15,905.49x = 128,229,422.08
  5. Step 5: Solve for x
    x = 128,229,422.08/15,905.49
  6. Step 6: Final answer
    x = 8,061.96

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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.