Home / 14,707.53-20,294.10-8,739.05

Finding the Fourth Proportional to 14,707.53, 20,294.10 and 8,739.05

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Solution

The fourth proportional to 14,707.53, 20,294.10 and 8,739.05 is: 12,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.53 : 20,294.10 = 8,739.05 : x
  2. Step 2: Convert to fraction form
    14,707.53/20,294.10 = 8,739.05/x
  3. Step 3: Cross multiply
    14,707.53x = 20,294.10 × 8,739.05
  4. Step 4: Simplify right side
    14,707.53x = 177,351,154.61
  5. Step 5: Solve for x
    x = 177,351,154.61/14,707.53
  6. Step 6: Final answer
    x = 12,058.53

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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.