Home / 15,392.86-23,087.19-5,530.72

Finding the Fourth Proportional to 15,392.86, 23,087.19 and 5,530.72

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Solution

The fourth proportional to 15,392.86, 23,087.19 and 5,530.72 is: 8,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.86 : 23,087.19 = 5,530.72 : x
  2. Step 2: Convert to fraction form
    15,392.86/23,087.19 = 5,530.72/x
  3. Step 3: Cross multiply
    15,392.86x = 23,087.19 × 5,530.72
  4. Step 4: Simplify right side
    15,392.86x = 127,688,783.48
  5. Step 5: Solve for x
    x = 127,688,783.48/15,392.86
  6. Step 6: Final answer
    x = 8,295.33

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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.