Home / 14,712.18-20,300.80-8,741.67

Finding the Fourth Proportional to 14,712.18, 20,300.80 and 8,741.67

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Solution

The fourth proportional to 14,712.18, 20,300.80 and 8,741.67 is: 12,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.18 : 20,300.80 = 8,741.67 : x
  2. Step 2: Convert to fraction form
    14,712.18/20,300.80 = 8,741.67/x
  3. Step 3: Cross multiply
    14,712.18x = 20,300.80 × 8,741.67
  4. Step 4: Simplify right side
    14,712.18x = 177,462,749.12
  5. Step 5: Solve for x
    x = 177,462,749.12/14,712.18
  6. Step 6: Final answer
    x = 12,062.31

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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.