Home / 15,218.16-20,977.56-14,596.08

Finding the Fourth Proportional to 15,218.16, 20,977.56 and 14,596.08

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Solution

The fourth proportional to 15,218.16, 20,977.56 and 14,596.08 is: 20,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.16 : 20,977.56 = 14,596.08 : x
  2. Step 2: Convert to fraction form
    15,218.16/20,977.56 = 14,596.08/x
  3. Step 3: Cross multiply
    15,218.16x = 20,977.56 × 14,596.08
  4. Step 4: Simplify right side
    15,218.16x = 306,190,143.96
  5. Step 5: Solve for x
    x = 306,190,143.96/15,218.16
  6. Step 6: Final answer
    x = 20,120.05

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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.