Home / 22,412.64-30,928.68-12,341.28

Finding the Fourth Proportional to 22,412.64, 30,928.68 and 12,341.28

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Solution

The fourth proportional to 22,412.64, 30,928.68 and 12,341.28 is: 17,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.64 : 30,928.68 = 12,341.28 : x
  2. Step 2: Convert to fraction form
    22,412.64/30,928.68 = 12,341.28/x
  3. Step 3: Cross multiply
    22,412.64x = 30,928.68 × 12,341.28
  4. Step 4: Simplify right side
    22,412.64x = 381,699,499.91
  5. Step 5: Solve for x
    x = 381,699,499.91/22,412.64
  6. Step 6: Final answer
    x = 17,030.55

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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.