Home / 14,651.48-20,219.14-7,937.11

Finding the Fourth Proportional to 14,651.48, 20,219.14 and 7,937.11

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Solution

The fourth proportional to 14,651.48, 20,219.14 and 7,937.11 is: 10,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.48 : 20,219.14 = 7,937.11 : x
  2. Step 2: Convert to fraction form
    14,651.48/20,219.14 = 7,937.11/x
  3. Step 3: Cross multiply
    14,651.48x = 20,219.14 × 7,937.11
  4. Step 4: Simplify right side
    14,651.48x = 160,481,437.19
  5. Step 5: Solve for x
    x = 160,481,437.19/14,651.48
  6. Step 6: Final answer
    x = 10,953.26

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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.