Home / 23,917.12-33,006-13,307.20

Finding the Fourth Proportional to 23,917.12, 33,006 and 13,307.20

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Solution

The fourth proportional to 23,917.12, 33,006 and 13,307.20 is: 18,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,917.12 : 33,006 = 13,307.20 : x
  2. Step 2: Convert to fraction form
    23,917.12/33,006 = 13,307.20/x
  3. Step 3: Cross multiply
    23,917.12x = 33,006 × 13,307.20
  4. Step 4: Simplify right side
    23,917.12x = 439,217,443.20
  5. Step 5: Solve for x
    x = 439,217,443.20/23,917.12
  6. Step 6: Final answer
    x = 18,364.14

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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.