Home / 20,656.28-30,942.51-9,547.54

Finding the Fourth Proportional to 20,656.28, 30,942.51 and 9,547.54

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Solution

The fourth proportional to 20,656.28, 30,942.51 and 9,547.54 is: 14,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.28 : 30,942.51 = 9,547.54 : x
  2. Step 2: Convert to fraction form
    20,656.28/30,942.51 = 9,547.54/x
  3. Step 3: Cross multiply
    20,656.28x = 30,942.51 × 9,547.54
  4. Step 4: Simplify right side
    20,656.28x = 295,424,738.77
  5. Step 5: Solve for x
    x = 295,424,738.77/20,656.28
  6. Step 6: Final answer
    x = 14,301.93

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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.