Home / 17,518.40-26,342.40-14,667.20

Finding the Fourth Proportional to 17,518.40, 26,342.40 and 14,667.20

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Solution

The fourth proportional to 17,518.40, 26,342.40 and 14,667.20 is: 22,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.40 : 26,342.40 = 14,667.20 : x
  2. Step 2: Convert to fraction form
    17,518.40/26,342.40 = 14,667.20/x
  3. Step 3: Cross multiply
    17,518.40x = 26,342.40 × 14,667.20
  4. Step 4: Simplify right side
    17,518.40x = 386,369,249.28
  5. Step 5: Solve for x
    x = 386,369,249.28/17,518.40
  6. Step 6: Final answer
    x = 22,055.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.