Home / 14,707.58-20,294.90-8,738.43

Finding the Fourth Proportional to 14,707.58, 20,294.90 and 8,738.43

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Solution

The fourth proportional to 14,707.58, 20,294.90 and 8,738.43 is: 12,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.58 : 20,294.90 = 8,738.43 : x
  2. Step 2: Convert to fraction form
    14,707.58/20,294.90 = 8,738.43/x
  3. Step 3: Cross multiply
    14,707.58x = 20,294.90 × 8,738.43
  4. Step 4: Simplify right side
    14,707.58x = 177,345,639.29
  5. Step 5: Solve for x
    x = 177,345,639.29/14,707.58
  6. Step 6: Final answer
    x = 12,058.12

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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.