Home / 15,647.81-23,471.30-4,557.56

Finding the Fourth Proportional to 15,647.81, 23,471.30 and 4,557.56

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Solution

The fourth proportional to 15,647.81, 23,471.30 and 4,557.56 is: 6,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.81 : 23,471.30 = 4,557.56 : x
  2. Step 2: Convert to fraction form
    15,647.81/23,471.30 = 4,557.56/x
  3. Step 3: Cross multiply
    15,647.81x = 23,471.30 × 4,557.56
  4. Step 4: Simplify right side
    15,647.81x = 106,971,752.07
  5. Step 5: Solve for x
    x = 106,971,752.07/15,647.81
  6. Step 6: Final answer
    x = 6,836.21

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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.