Home / 19,207.80-28,664.55-14,801.40

Finding the Fourth Proportional to 19,207.80, 28,664.55 and 14,801.40

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Solution

The fourth proportional to 19,207.80, 28,664.55 and 14,801.40 is: 22,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.80 : 28,664.55 = 14,801.40 : x
  2. Step 2: Convert to fraction form
    19,207.80/28,664.55 = 14,801.40/x
  3. Step 3: Cross multiply
    19,207.80x = 28,664.55 × 14,801.40
  4. Step 4: Simplify right side
    19,207.80x = 424,275,470.37
  5. Step 5: Solve for x
    x = 424,275,470.37/19,207.80
  6. Step 6: Final answer
    x = 22,088.71

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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.