Home / 13,282.35-19,877.34-10,913.91

Finding the Fourth Proportional to 13,282.35, 19,877.34 and 10,913.91

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Solution

The fourth proportional to 13,282.35, 19,877.34 and 10,913.91 is: 16,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.35 : 19,877.34 = 10,913.91 : x
  2. Step 2: Convert to fraction form
    13,282.35/19,877.34 = 10,913.91/x
  3. Step 3: Cross multiply
    13,282.35x = 19,877.34 × 10,913.91
  4. Step 4: Simplify right side
    13,282.35x = 216,939,499.80
  5. Step 5: Solve for x
    x = 216,939,499.80/13,282.35
  6. Step 6: Final answer
    x = 16,332.92

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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.