Home / 17,048.32-23,557.19-13,281.21

Finding the Fourth Proportional to 17,048.32, 23,557.19 and 13,281.21

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Solution

The fourth proportional to 17,048.32, 23,557.19 and 13,281.21 is: 18,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,048.32 : 23,557.19 = 13,281.21 : x
  2. Step 2: Convert to fraction form
    17,048.32/23,557.19 = 13,281.21/x
  3. Step 3: Cross multiply
    17,048.32x = 23,557.19 × 13,281.21
  4. Step 4: Simplify right side
    17,048.32x = 312,867,987.40
  5. Step 5: Solve for x
    x = 312,867,987.40/17,048.32
  6. Step 6: Final answer
    x = 18,351.84

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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.