Home / 14,703.47-20,290.62-7,988.96

Finding the Fourth Proportional to 14,703.47, 20,290.62 and 7,988.96

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Solution

The fourth proportional to 14,703.47, 20,290.62 and 7,988.96 is: 11,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.47 : 20,290.62 = 7,988.96 : x
  2. Step 2: Convert to fraction form
    14,703.47/20,290.62 = 7,988.96/x
  3. Step 3: Cross multiply
    14,703.47x = 20,290.62 × 7,988.96
  4. Step 4: Simplify right side
    14,703.47x = 162,100,951.56
  5. Step 5: Solve for x
    x = 162,100,951.56/14,703.47
  6. Step 6: Final answer
    x = 11,024.67

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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.