Home / 13,875.32-19,151.51-8,567.09

Finding the Fourth Proportional to 13,875.32, 19,151.51 and 8,567.09

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Solution

The fourth proportional to 13,875.32, 19,151.51 and 8,567.09 is: 11,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.32 : 19,151.51 = 8,567.09 : x
  2. Step 2: Convert to fraction form
    13,875.32/19,151.51 = 8,567.09/x
  3. Step 3: Cross multiply
    13,875.32x = 19,151.51 × 8,567.09
  4. Step 4: Simplify right side
    13,875.32x = 164,072,714.85
  5. Step 5: Solve for x
    x = 164,072,714.85/13,875.32
  6. Step 6: Final answer
    x = 11,824.79

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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.