Home / 13,951.20-19,269.68-10,430.04

Finding the Fourth Proportional to 13,951.20, 19,269.68 and 10,430.04

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Solution

The fourth proportional to 13,951.20, 19,269.68 and 10,430.04 is: 14,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.20 : 19,269.68 = 10,430.04 : x
  2. Step 2: Convert to fraction form
    13,951.20/19,269.68 = 10,430.04/x
  3. Step 3: Cross multiply
    13,951.20x = 19,269.68 × 10,430.04
  4. Step 4: Simplify right side
    13,951.20x = 200,983,533.19
  5. Step 5: Solve for x
    x = 200,983,533.19/13,951.20
  6. Step 6: Final answer
    x = 14,406.18

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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.