Home / 19,222.28-26,520.64-15,176.32

Finding the Fourth Proportional to 19,222.28, 26,520.64 and 15,176.32

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Solution

The fourth proportional to 19,222.28, 26,520.64 and 15,176.32 is: 20,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.28 : 26,520.64 = 15,176.32 : x
  2. Step 2: Convert to fraction form
    19,222.28/26,520.64 = 15,176.32/x
  3. Step 3: Cross multiply
    19,222.28x = 26,520.64 × 15,176.32
  4. Step 4: Simplify right side
    19,222.28x = 402,485,719.24
  5. Step 5: Solve for x
    x = 402,485,719.24/19,222.28
  6. Step 6: Final answer
    x = 20,938.50

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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.