Home / 14,771.70-22,139.07-7,378.22

Finding the Fourth Proportional to 14,771.70, 22,139.07 and 7,378.22

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Solution

The fourth proportional to 14,771.70, 22,139.07 and 7,378.22 is: 11,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.70 : 22,139.07 = 7,378.22 : x
  2. Step 2: Convert to fraction form
    14,771.70/22,139.07 = 7,378.22/x
  3. Step 3: Cross multiply
    14,771.70x = 22,139.07 × 7,378.22
  4. Step 4: Simplify right side
    14,771.70x = 163,346,998.24
  5. Step 5: Solve for x
    x = 163,346,998.24/14,771.70
  6. Step 6: Final answer
    x = 11,058.10

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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.