Home / 13,050.06-18,009.44-7,081.74

Finding the Fourth Proportional to 13,050.06, 18,009.44 and 7,081.74

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Solution

The fourth proportional to 13,050.06, 18,009.44 and 7,081.74 is: 9,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.06 : 18,009.44 = 7,081.74 : x
  2. Step 2: Convert to fraction form
    13,050.06/18,009.44 = 7,081.74/x
  3. Step 3: Cross multiply
    13,050.06x = 18,009.44 × 7,081.74
  4. Step 4: Simplify right side
    13,050.06x = 127,538,068.68
  5. Step 5: Solve for x
    x = 127,538,068.68/13,050.06
  6. Step 6: Final answer
    x = 9,772.98

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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.