Home / 14,256.36-19,764.99-13,470.12

Finding the Fourth Proportional to 14,256.36, 19,764.99 and 13,470.12

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Solution

The fourth proportional to 14,256.36, 19,764.99 and 13,470.12 is: 18,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.36 : 19,764.99 = 13,470.12 : x
  2. Step 2: Convert to fraction form
    14,256.36/19,764.99 = 13,470.12/x
  3. Step 3: Cross multiply
    14,256.36x = 19,764.99 × 13,470.12
  4. Step 4: Simplify right side
    14,256.36x = 266,236,787.10
  5. Step 5: Solve for x
    x = 266,236,787.10/14,256.36
  6. Step 6: Final answer
    x = 18,674.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.