Home / 14,470.95-21,576.39-13,235.28

Finding the Fourth Proportional to 14,470.95, 21,576.39 and 13,235.28

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Solution

The fourth proportional to 14,470.95, 21,576.39 and 13,235.28 is: 19,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.95 : 21,576.39 = 13,235.28 : x
  2. Step 2: Convert to fraction form
    14,470.95/21,576.39 = 13,235.28/x
  3. Step 3: Cross multiply
    14,470.95x = 21,576.39 × 13,235.28
  4. Step 4: Simplify right side
    14,470.95x = 285,569,563.04
  5. Step 5: Solve for x
    x = 285,569,563.04/14,470.95
  6. Step 6: Final answer
    x = 19,733.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.