Home / 14,515.74-20,032.38-8,547.66

Finding the Fourth Proportional to 14,515.74, 20,032.38 and 8,547.66

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Solution

The fourth proportional to 14,515.74, 20,032.38 and 8,547.66 is: 11,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.74 : 20,032.38 = 8,547.66 : x
  2. Step 2: Convert to fraction form
    14,515.74/20,032.38 = 8,547.66/x
  3. Step 3: Cross multiply
    14,515.74x = 20,032.38 × 8,547.66
  4. Step 4: Simplify right side
    14,515.74x = 171,229,973.23
  5. Step 5: Solve for x
    x = 171,229,973.23/14,515.74
  6. Step 6: Final answer
    x = 11,796.16

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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.