Home / 15,724.40-23,581.58-5,192.46

Finding the Fourth Proportional to 15,724.40, 23,581.58 and 5,192.46

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Solution

The fourth proportional to 15,724.40, 23,581.58 and 5,192.46 is: 7,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.40 : 23,581.58 = 5,192.46 : x
  2. Step 2: Convert to fraction form
    15,724.40/23,581.58 = 5,192.46/x
  3. Step 3: Cross multiply
    15,724.40x = 23,581.58 × 5,192.46
  4. Step 4: Simplify right side
    15,724.40x = 122,446,384.92
  5. Step 5: Solve for x
    x = 122,446,384.92/15,724.40
  6. Step 6: Final answer
    x = 7,787.03

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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.