Home / 15,416.66-21,362.92-14,480.30

Finding the Fourth Proportional to 15,416.66, 21,362.92 and 14,480.30

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Solution

The fourth proportional to 15,416.66, 21,362.92 and 14,480.30 is: 20,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.66 : 21,362.92 = 14,480.30 : x
  2. Step 2: Convert to fraction form
    15,416.66/21,362.92 = 14,480.30/x
  3. Step 3: Cross multiply
    15,416.66x = 21,362.92 × 14,480.30
  4. Step 4: Simplify right side
    15,416.66x = 309,341,490.48
  5. Step 5: Solve for x
    x = 309,341,490.48/15,416.66
  6. Step 6: Final answer
    x = 20,065.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.