Home / 14,178.48-21,247.56-10,451.40

Finding the Fourth Proportional to 14,178.48, 21,247.56 and 10,451.40

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Solution

The fourth proportional to 14,178.48, 21,247.56 and 10,451.40 is: 15,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.48 : 21,247.56 = 10,451.40 : x
  2. Step 2: Convert to fraction form
    14,178.48/21,247.56 = 10,451.40/x
  3. Step 3: Cross multiply
    14,178.48x = 21,247.56 × 10,451.40
  4. Step 4: Simplify right side
    14,178.48x = 222,066,748.58
  5. Step 5: Solve for x
    x = 222,066,748.58/14,178.48
  6. Step 6: Final answer
    x = 15,662.24

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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.