Home / 13,521.33-18,656.73-7,552.08

Finding the Fourth Proportional to 13,521.33, 18,656.73 and 7,552.08

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Solution

The fourth proportional to 13,521.33, 18,656.73 and 7,552.08 is: 10,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.33 : 18,656.73 = 7,552.08 : x
  2. Step 2: Convert to fraction form
    13,521.33/18,656.73 = 7,552.08/x
  3. Step 3: Cross multiply
    13,521.33x = 18,656.73 × 7,552.08
  4. Step 4: Simplify right side
    13,521.33x = 140,897,117.50
  5. Step 5: Solve for x
    x = 140,897,117.50/13,521.33
  6. Step 6: Final answer
    x = 10,420.36

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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.