Home / 14,210.94-19,544.18-12,439.47

Finding the Fourth Proportional to 14,210.94, 19,544.18 and 12,439.47

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Solution

The fourth proportional to 14,210.94, 19,544.18 and 12,439.47 is: 17,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.94 : 19,544.18 = 12,439.47 : x
  2. Step 2: Convert to fraction form
    14,210.94/19,544.18 = 12,439.47/x
  3. Step 3: Cross multiply
    14,210.94x = 19,544.18 × 12,439.47
  4. Step 4: Simplify right side
    14,210.94x = 243,119,178.59
  5. Step 5: Solve for x
    x = 243,119,178.59/14,210.94
  6. Step 6: Final answer
    x = 17,107.89

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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.