Home / 13,345.44-18,417.42-8,041.02

Finding the Fourth Proportional to 13,345.44, 18,417.42 and 8,041.02

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Solution

The fourth proportional to 13,345.44, 18,417.42 and 8,041.02 is: 11,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.44 : 18,417.42 = 8,041.02 : x
  2. Step 2: Convert to fraction form
    13,345.44/18,417.42 = 8,041.02/x
  3. Step 3: Cross multiply
    13,345.44x = 18,417.42 × 8,041.02
  4. Step 4: Simplify right side
    13,345.44x = 148,094,842.57
  5. Step 5: Solve for x
    x = 148,094,842.57/13,345.44
  6. Step 6: Final answer
    x = 11,097.04

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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.