Home / 14,106.96-21,154.23-5,780.16

Finding the Fourth Proportional to 14,106.96, 21,154.23 and 5,780.16

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Solution

The fourth proportional to 14,106.96, 21,154.23 and 5,780.16 is: 8,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.96 : 21,154.23 = 5,780.16 : x
  2. Step 2: Convert to fraction form
    14,106.96/21,154.23 = 5,780.16/x
  3. Step 3: Cross multiply
    14,106.96x = 21,154.23 × 5,780.16
  4. Step 4: Simplify right side
    14,106.96x = 122,274,834.08
  5. Step 5: Solve for x
    x = 122,274,834.08/14,106.96
  6. Step 6: Final answer
    x = 8,667.70

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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.