Home / 14,418.61-21,609.07-7,392.67

Finding the Fourth Proportional to 14,418.61, 21,609.07 and 7,392.67

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Solution

The fourth proportional to 14,418.61, 21,609.07 and 7,392.67 is: 11,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.61 : 21,609.07 = 7,392.67 : x
  2. Step 2: Convert to fraction form
    14,418.61/21,609.07 = 7,392.67/x
  3. Step 3: Cross multiply
    14,418.61x = 21,609.07 × 7,392.67
  4. Step 4: Simplify right side
    14,418.61x = 159,748,723.52
  5. Step 5: Solve for x
    x = 159,748,723.52/14,418.61
  6. Step 6: Final answer
    x = 11,079.34

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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.