Home / 15,432.37-23,148.52-5,571.65

Finding the Fourth Proportional to 15,432.37, 23,148.52 and 5,571.65

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Solution

The fourth proportional to 15,432.37, 23,148.52 and 5,571.65 is: 8,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.37 : 23,148.52 = 5,571.65 : x
  2. Step 2: Convert to fraction form
    15,432.37/23,148.52 = 5,571.65/x
  3. Step 3: Cross multiply
    15,432.37x = 23,148.52 × 5,571.65
  4. Step 4: Simplify right side
    15,432.37x = 128,975,451.46
  5. Step 5: Solve for x
    x = 128,975,451.46/15,432.37
  6. Step 6: Final answer
    x = 8,357.46

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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.