Home / 22,237.96-30,689.10-12,677.67

Finding the Fourth Proportional to 22,237.96, 30,689.10 and 12,677.67

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Solution

The fourth proportional to 22,237.96, 30,689.10 and 12,677.67 is: 17,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.96 : 30,689.10 = 12,677.67 : x
  2. Step 2: Convert to fraction form
    22,237.96/30,689.10 = 12,677.67/x
  3. Step 3: Cross multiply
    22,237.96x = 30,689.10 × 12,677.67
  4. Step 4: Simplify right side
    22,237.96x = 389,066,282.40
  5. Step 5: Solve for x
    x = 389,066,282.40/22,237.96
  6. Step 6: Final answer
    x = 17,495.59

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Double scale
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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.