Home / 19,353.78-26,683.74-16,479.72

Finding the Fourth Proportional to 19,353.78, 26,683.74 and 16,479.72

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Solution

The fourth proportional to 19,353.78, 26,683.74 and 16,479.72 is: 22,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.78 : 26,683.74 = 16,479.72 : x
  2. Step 2: Convert to fraction form
    19,353.78/26,683.74 = 16,479.72/x
  3. Step 3: Cross multiply
    19,353.78x = 26,683.74 × 16,479.72
  4. Step 4: Simplify right side
    19,353.78x = 439,740,563.75
  5. Step 5: Solve for x
    x = 439,740,563.75/19,353.78
  6. Step 6: Final answer
    x = 22,721.17

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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.