Home / 14,707.09-20,294.72-8,333.81

Finding the Fourth Proportional to 14,707.09, 20,294.72 and 8,333.81

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Solution

The fourth proportional to 14,707.09, 20,294.72 and 8,333.81 is: 11,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.09 : 20,294.72 = 8,333.81 : x
  2. Step 2: Convert to fraction form
    14,707.09/20,294.72 = 8,333.81/x
  3. Step 3: Cross multiply
    14,707.09x = 20,294.72 × 8,333.81
  4. Step 4: Simplify right side
    14,707.09x = 169,132,340.48
  5. Step 5: Solve for x
    x = 169,132,340.48/14,707.09
  6. Step 6: Final answer
    x = 11,500.05

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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.