Home / 13,570.52-18,727.21-7,602.25

Finding the Fourth Proportional to 13,570.52, 18,727.21 and 7,602.25

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Solution

The fourth proportional to 13,570.52, 18,727.21 and 7,602.25 is: 10,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.52 : 18,727.21 = 7,602.25 : x
  2. Step 2: Convert to fraction form
    13,570.52/18,727.21 = 7,602.25/x
  3. Step 3: Cross multiply
    13,570.52x = 18,727.21 × 7,602.25
  4. Step 4: Simplify right side
    13,570.52x = 142,368,819.58
  5. Step 5: Solve for x
    x = 142,368,819.58/13,570.52
  6. Step 6: Final answer
    x = 10,491.04

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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.