Home / 15,249.16-22,830.60-9,688.72

Finding the Fourth Proportional to 15,249.16, 22,830.60 and 9,688.72

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Solution

The fourth proportional to 15,249.16, 22,830.60 and 9,688.72 is: 14,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.16 : 22,830.60 = 9,688.72 : x
  2. Step 2: Convert to fraction form
    15,249.16/22,830.60 = 9,688.72/x
  3. Step 3: Cross multiply
    15,249.16x = 22,830.60 × 9,688.72
  4. Step 4: Simplify right side
    15,249.16x = 221,199,290.83
  5. Step 5: Solve for x
    x = 221,199,290.83/15,249.16
  6. Step 6: Final answer
    x = 14,505.67

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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.