Home / 13,931.32-19,222.48-8,265.01

Finding the Fourth Proportional to 13,931.32, 19,222.48 and 8,265.01

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Solution

The fourth proportional to 13,931.32, 19,222.48 and 8,265.01 is: 11,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.32 : 19,222.48 = 8,265.01 : x
  2. Step 2: Convert to fraction form
    13,931.32/19,222.48 = 8,265.01/x
  3. Step 3: Cross multiply
    13,931.32x = 19,222.48 × 8,265.01
  4. Step 4: Simplify right side
    13,931.32x = 158,873,989.42
  5. Step 5: Solve for x
    x = 158,873,989.42/13,931.32
  6. Step 6: Final answer
    x = 11,404.09

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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.