Home / 15,013.37-20,724.51-9,050.15

Finding the Fourth Proportional to 15,013.37, 20,724.51 and 9,050.15

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Solution

The fourth proportional to 15,013.37, 20,724.51 and 9,050.15 is: 12,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.37 : 20,724.51 = 9,050.15 : x
  2. Step 2: Convert to fraction form
    15,013.37/20,724.51 = 9,050.15/x
  3. Step 3: Cross multiply
    15,013.37x = 20,724.51 × 9,050.15
  4. Step 4: Simplify right side
    15,013.37x = 187,559,820.55
  5. Step 5: Solve for x
    x = 187,559,820.55/15,013.37
  6. Step 6: Final answer
    x = 12,492.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.