Home / 14,515.57-20,033.34-8,547.80

Finding the Fourth Proportional to 14,515.57, 20,033.34 and 8,547.80

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Solution

The fourth proportional to 14,515.57, 20,033.34 and 8,547.80 is: 11,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.57 : 20,033.34 = 8,547.80 : x
  2. Step 2: Convert to fraction form
    14,515.57/20,033.34 = 8,547.80/x
  3. Step 3: Cross multiply
    14,515.57x = 20,033.34 × 8,547.80
  4. Step 4: Simplify right side
    14,515.57x = 171,240,851.43
  5. Step 5: Solve for x
    x = 171,240,851.43/14,515.57
  6. Step 6: Final answer
    x = 11,797.05

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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.