Home / 13,275.63-18,320.56-7,307.24

Finding the Fourth Proportional to 13,275.63, 18,320.56 and 7,307.24

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Solution

The fourth proportional to 13,275.63, 18,320.56 and 7,307.24 is: 10,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.63 : 18,320.56 = 7,307.24 : x
  2. Step 2: Convert to fraction form
    13,275.63/18,320.56 = 7,307.24/x
  3. Step 3: Cross multiply
    13,275.63x = 18,320.56 × 7,307.24
  4. Step 4: Simplify right side
    13,275.63x = 133,872,618.98
  5. Step 5: Solve for x
    x = 133,872,618.98/13,275.63
  6. Step 6: Final answer
    x = 10,084.09

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Similar ratio
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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.