Home / 14,011.47-21,017.25-8,097.39

Finding the Fourth Proportional to 14,011.47, 21,017.25 and 8,097.39

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Solution

The fourth proportional to 14,011.47, 21,017.25 and 8,097.39 is: 12,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.47 : 21,017.25 = 8,097.39 : x
  2. Step 2: Convert to fraction form
    14,011.47/21,017.25 = 8,097.39/x
  3. Step 3: Cross multiply
    14,011.47x = 21,017.25 × 8,097.39
  4. Step 4: Simplify right side
    14,011.47x = 170,184,869.98
  5. Step 5: Solve for x
    x = 170,184,869.98/14,011.47
  6. Step 6: Final answer
    x = 12,146.11

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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.