Home / 13,233.13-18,260.55-7,566.76

Finding the Fourth Proportional to 13,233.13, 18,260.55 and 7,566.76

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Solution

The fourth proportional to 13,233.13, 18,260.55 and 7,566.76 is: 10,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.13 : 18,260.55 = 7,566.76 : x
  2. Step 2: Convert to fraction form
    13,233.13/18,260.55 = 7,566.76/x
  3. Step 3: Cross multiply
    13,233.13x = 18,260.55 × 7,566.76
  4. Step 4: Simplify right side
    13,233.13x = 138,173,199.32
  5. Step 5: Solve for x
    x = 138,173,199.32/13,233.13
  6. Step 6: Final answer
    x = 10,441.46

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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.