Home / 14,931.10-20,601.42-12,550.12

Finding the Fourth Proportional to 14,931.10, 20,601.42 and 12,550.12

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Solution

The fourth proportional to 14,931.10, 20,601.42 and 12,550.12 is: 17,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.10 : 20,601.42 = 12,550.12 : x
  2. Step 2: Convert to fraction form
    14,931.10/20,601.42 = 12,550.12/x
  3. Step 3: Cross multiply
    14,931.10x = 20,601.42 × 12,550.12
  4. Step 4: Simplify right side
    14,931.10x = 258,550,293.17
  5. Step 5: Solve for x
    x = 258,550,293.17/14,931.10
  6. Step 6: Final answer
    x = 17,316.23

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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.