Home / 15,570.81-23,356.43-5,182.56

Finding the Fourth Proportional to 15,570.81, 23,356.43 and 5,182.56

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Solution

The fourth proportional to 15,570.81, 23,356.43 and 5,182.56 is: 7,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.81 : 23,356.43 = 5,182.56 : x
  2. Step 2: Convert to fraction form
    15,570.81/23,356.43 = 5,182.56/x
  3. Step 3: Cross multiply
    15,570.81x = 23,356.43 × 5,182.56
  4. Step 4: Simplify right side
    15,570.81x = 121,046,171.21
  5. Step 5: Solve for x
    x = 121,046,171.21/15,570.81
  6. Step 6: Final answer
    x = 7,773.91

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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.