Home / 20,364.97-30,547.43-5,574.01

Finding the Fourth Proportional to 20,364.97, 30,547.43 and 5,574.01

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Solution

The fourth proportional to 20,364.97, 30,547.43 and 5,574.01 is: 8,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.97 : 30,547.43 = 5,574.01 : x
  2. Step 2: Convert to fraction form
    20,364.97/30,547.43 = 5,574.01/x
  3. Step 3: Cross multiply
    20,364.97x = 30,547.43 × 5,574.01
  4. Step 4: Simplify right side
    20,364.97x = 170,271,694.23
  5. Step 5: Solve for x
    x = 170,271,694.23/20,364.97
  6. Step 6: Final answer
    x = 8,361.01

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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.