Home / 14,184.19-21,277.74-5,426.47

Finding the Fourth Proportional to 14,184.19, 21,277.74 and 5,426.47

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Solution

The fourth proportional to 14,184.19, 21,277.74 and 5,426.47 is: 8,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.19 : 21,277.74 = 5,426.47 : x
  2. Step 2: Convert to fraction form
    14,184.19/21,277.74 = 5,426.47/x
  3. Step 3: Cross multiply
    14,184.19x = 21,277.74 × 5,426.47
  4. Step 4: Simplify right side
    14,184.19x = 115,463,017.78
  5. Step 5: Solve for x
    x = 115,463,017.78/14,184.19
  6. Step 6: Final answer
    x = 8,140.26

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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.