Home / 22,397.20-33,547.20-18,509.20

Finding the Fourth Proportional to 22,397.20, 33,547.20 and 18,509.20

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Solution

The fourth proportional to 22,397.20, 33,547.20 and 18,509.20 is: 27,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,397.20 : 33,547.20 = 18,509.20 : x
  2. Step 2: Convert to fraction form
    22,397.20/33,547.20 = 18,509.20/x
  3. Step 3: Cross multiply
    22,397.20x = 33,547.20 × 18,509.20
  4. Step 4: Simplify right side
    22,397.20x = 620,931,834.24
  5. Step 5: Solve for x
    x = 620,931,834.24/22,397.20
  6. Step 6: Final answer
    x = 27,723.64

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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.