Home / 13,050.54-18,009.80-7,082.21

Finding the Fourth Proportional to 13,050.54, 18,009.80 and 7,082.21

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Solution

The fourth proportional to 13,050.54, 18,009.80 and 7,082.21 is: 9,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.54 : 18,009.80 = 7,082.21 : x
  2. Step 2: Convert to fraction form
    13,050.54/18,009.80 = 7,082.21/x
  3. Step 3: Cross multiply
    13,050.54x = 18,009.80 × 7,082.21
  4. Step 4: Simplify right side
    13,050.54x = 127,549,141.58
  5. Step 5: Solve for x
    x = 127,549,141.58/13,050.54
  6. Step 6: Final answer
    x = 9,773.48

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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.