Home / 14,769.16-22,129.06-10,378.75

Finding the Fourth Proportional to 14,769.16, 22,129.06 and 10,378.75

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Solution

The fourth proportional to 14,769.16, 22,129.06 and 10,378.75 is: 15,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.16 : 22,129.06 = 10,378.75 : x
  2. Step 2: Convert to fraction form
    14,769.16/22,129.06 = 10,378.75/x
  3. Step 3: Cross multiply
    14,769.16x = 22,129.06 × 10,378.75
  4. Step 4: Simplify right side
    14,769.16x = 229,671,981.48
  5. Step 5: Solve for x
    x = 229,671,981.48/14,769.16
  6. Step 6: Final answer
    x = 15,550.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.