Home / 14,919.48-20,592-14,451.12

Finding the Fourth Proportional to 14,919.48, 20,592 and 14,451.12

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Solution

The fourth proportional to 14,919.48, 20,592 and 14,451.12 is: 19,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.48 : 20,592 = 14,451.12 : x
  2. Step 2: Convert to fraction form
    14,919.48/20,592 = 14,451.12/x
  3. Step 3: Cross multiply
    14,919.48x = 20,592 × 14,451.12
  4. Step 4: Simplify right side
    14,919.48x = 297,577,463.04
  5. Step 5: Solve for x
    x = 297,577,463.04/14,919.48
  6. Step 6: Final answer
    x = 19,945.57

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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.