Home / 22,412.98-30,929.66-12,341.22

Finding the Fourth Proportional to 22,412.98, 30,929.66 and 12,341.22

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Solution

The fourth proportional to 22,412.98, 30,929.66 and 12,341.22 is: 17,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.98 : 30,929.66 = 12,341.22 : x
  2. Step 2: Convert to fraction form
    22,412.98/30,929.66 = 12,341.22/x
  3. Step 3: Cross multiply
    22,412.98x = 30,929.66 × 12,341.22
  4. Step 4: Simplify right side
    22,412.98x = 381,709,738.59
  5. Step 5: Solve for x
    x = 381,709,738.59/22,412.98
  6. Step 6: Final answer
    x = 17,030.74

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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.