Home / 13,875.38-19,151.60-8,567.16

Finding the Fourth Proportional to 13,875.38, 19,151.60 and 8,567.16

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Solution

The fourth proportional to 13,875.38, 19,151.60 and 8,567.16 is: 11,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.38 : 19,151.60 = 8,567.16 : x
  2. Step 2: Convert to fraction form
    13,875.38/19,151.60 = 8,567.16/x
  3. Step 3: Cross multiply
    13,875.38x = 19,151.60 × 8,567.16
  4. Step 4: Simplify right side
    13,875.38x = 164,074,821.46
  5. Step 5: Solve for x
    x = 164,074,821.46/13,875.38
  6. Step 6: Final answer
    x = 11,824.89

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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.