Home / 14,345.25-19,750.68-12,101.55

Finding the Fourth Proportional to 14,345.25, 19,750.68 and 12,101.55

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Solution

The fourth proportional to 14,345.25, 19,750.68 and 12,101.55 is: 16,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.25 : 19,750.68 = 12,101.55 : x
  2. Step 2: Convert to fraction form
    14,345.25/19,750.68 = 12,101.55/x
  3. Step 3: Cross multiply
    14,345.25x = 19,750.68 × 12,101.55
  4. Step 4: Simplify right side
    14,345.25x = 239,013,841.55
  5. Step 5: Solve for x
    x = 239,013,841.55/14,345.25
  6. Step 6: Final answer
    x = 16,661.53

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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.