Home / 13,276.52-18,320.88-7,307.04

Finding the Fourth Proportional to 13,276.52, 18,320.88 and 7,307.04

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Solution

The fourth proportional to 13,276.52, 18,320.88 and 7,307.04 is: 10,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.52 : 18,320.88 = 7,307.04 : x
  2. Step 2: Convert to fraction form
    13,276.52/18,320.88 = 7,307.04/x
  3. Step 3: Cross multiply
    13,276.52x = 18,320.88 × 7,307.04
  4. Step 4: Simplify right side
    13,276.52x = 133,871,403.00
  5. Step 5: Solve for x
    x = 133,871,403.00/13,276.52
  6. Step 6: Final answer
    x = 10,083.32

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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.