Home / 13,569.12-18,725.38-7,600.37

Finding the Fourth Proportional to 13,569.12, 18,725.38 and 7,600.37

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Solution

The fourth proportional to 13,569.12, 18,725.38 and 7,600.37 is: 10,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.12 : 18,725.38 = 7,600.37 : x
  2. Step 2: Convert to fraction form
    13,569.12/18,725.38 = 7,600.37/x
  3. Step 3: Cross multiply
    13,569.12x = 18,725.38 × 7,600.37
  4. Step 4: Simplify right side
    13,569.12x = 142,319,703.76
  5. Step 5: Solve for x
    x = 142,319,703.76/13,569.12
  6. Step 6: Final answer
    x = 10,488.50

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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.