Home / 14,943.65-20,643.19-14,156.33

Finding the Fourth Proportional to 14,943.65, 20,643.19 and 14,156.33

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Solution

The fourth proportional to 14,943.65, 20,643.19 and 14,156.33 is: 19,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.65 : 20,643.19 = 14,156.33 : x
  2. Step 2: Convert to fraction form
    14,943.65/20,643.19 = 14,156.33/x
  3. Step 3: Cross multiply
    14,943.65x = 20,643.19 × 14,156.33
  4. Step 4: Simplify right side
    14,943.65x = 292,231,671.29
  5. Step 5: Solve for x
    x = 292,231,671.29/14,943.65
  6. Step 6: Final answer
    x = 19,555.58

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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.