Home / 19,353.90-28,987.65-14,936.70

Finding the Fourth Proportional to 19,353.90, 28,987.65 and 14,936.70

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Solution

The fourth proportional to 19,353.90, 28,987.65 and 14,936.70 is: 22,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.90 : 28,987.65 = 14,936.70 : x
  2. Step 2: Convert to fraction form
    19,353.90/28,987.65 = 14,936.70/x
  3. Step 3: Cross multiply
    19,353.90x = 28,987.65 × 14,936.70
  4. Step 4: Simplify right side
    19,353.90x = 432,979,831.76
  5. Step 5: Solve for x
    x = 432,979,831.76/19,353.90
  6. Step 6: Final answer
    x = 22,371.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.