Home / 13,307.52-18,364.56-7,339.92

Finding the Fourth Proportional to 13,307.52, 18,364.56 and 7,339.92

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Solution

The fourth proportional to 13,307.52, 18,364.56 and 7,339.92 is: 10,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.52 : 18,364.56 = 7,339.92 : x
  2. Step 2: Convert to fraction form
    13,307.52/18,364.56 = 7,339.92/x
  3. Step 3: Cross multiply
    13,307.52x = 18,364.56 × 7,339.92
  4. Step 4: Simplify right side
    13,307.52x = 134,794,401.24
  5. Step 5: Solve for x
    x = 134,794,401.24/13,307.52
  6. Step 6: Final answer
    x = 10,129.19

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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.