Home / 22,204.48-30,641.32-12,776.08

Finding the Fourth Proportional to 22,204.48, 30,641.32 and 12,776.08

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Solution

The fourth proportional to 22,204.48, 30,641.32 and 12,776.08 is: 17,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.48 : 30,641.32 = 12,776.08 : x
  2. Step 2: Convert to fraction form
    22,204.48/30,641.32 = 12,776.08/x
  3. Step 3: Cross multiply
    22,204.48x = 30,641.32 × 12,776.08
  4. Step 4: Simplify right side
    22,204.48x = 391,475,955.63
  5. Step 5: Solve for x
    x = 391,475,955.63/22,204.48
  6. Step 6: Final answer
    x = 17,630.49

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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.