Home / 22,527.83-31,087.15-12,455.67

Finding the Fourth Proportional to 22,527.83, 31,087.15 and 12,455.67

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Solution

The fourth proportional to 22,527.83, 31,087.15 and 12,455.67 is: 17,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.83 : 31,087.15 = 12,455.67 : x
  2. Step 2: Convert to fraction form
    22,527.83/31,087.15 = 12,455.67/x
  3. Step 3: Cross multiply
    22,527.83x = 31,087.15 × 12,455.67
  4. Step 4: Simplify right side
    22,527.83x = 387,211,262.28
  5. Step 5: Solve for x
    x = 387,211,262.28/22,527.83
  6. Step 6: Final answer
    x = 17,188.13

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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.