Home / 22,678.23-31,298.55-12,607.67

Finding the Fourth Proportional to 22,678.23, 31,298.55 and 12,607.67

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Solution

The fourth proportional to 22,678.23, 31,298.55 and 12,607.67 is: 17,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.23 : 31,298.55 = 12,607.67 : x
  2. Step 2: Convert to fraction form
    22,678.23/31,298.55 = 12,607.67/x
  3. Step 3: Cross multiply
    22,678.23x = 31,298.55 × 12,607.67
  4. Step 4: Simplify right side
    22,678.23x = 394,601,789.88
  5. Step 5: Solve for x
    x = 394,601,789.88/22,678.23
  6. Step 6: Final answer
    x = 17,400.03

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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.