Home / 15,188.37-22,751.29-13,437.92

Finding the Fourth Proportional to 15,188.37, 22,751.29 and 13,437.92

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Solution

The fourth proportional to 15,188.37, 22,751.29 and 13,437.92 is: 20,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.37 : 22,751.29 = 13,437.92 : x
  2. Step 2: Convert to fraction form
    15,188.37/22,751.29 = 13,437.92/x
  3. Step 3: Cross multiply
    15,188.37x = 22,751.29 × 13,437.92
  4. Step 4: Simplify right side
    15,188.37x = 305,730,027.50
  5. Step 5: Solve for x
    x = 305,730,027.50/15,188.37
  6. Step 6: Final answer
    x = 20,129.21

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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.