Home / 24,521.90-36,786.18-7,876.40

Finding the Fourth Proportional to 24,521.90, 36,786.18 and 7,876.40

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Solution

The fourth proportional to 24,521.90, 36,786.18 and 7,876.40 is: 11,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,521.90 : 36,786.18 = 7,876.40 : x
  2. Step 2: Convert to fraction form
    24,521.90/36,786.18 = 7,876.40/x
  3. Step 3: Cross multiply
    24,521.90x = 36,786.18 × 7,876.40
  4. Step 4: Simplify right side
    24,521.90x = 289,742,668.15
  5. Step 5: Solve for x
    x = 289,742,668.15/24,521.90
  6. Step 6: Final answer
    x = 11,815.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.