Home / 13,876.34-19,148.58-7,587.50

Finding the Fourth Proportional to 13,876.34, 19,148.58 and 7,587.50

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Solution

The fourth proportional to 13,876.34, 19,148.58 and 7,587.50 is: 10,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.34 : 19,148.58 = 7,587.50 : x
  2. Step 2: Convert to fraction form
    13,876.34/19,148.58 = 7,587.50/x
  3. Step 3: Cross multiply
    13,876.34x = 19,148.58 × 7,587.50
  4. Step 4: Simplify right side
    13,876.34x = 145,289,850.75
  5. Step 5: Solve for x
    x = 145,289,850.75/13,876.34
  6. Step 6: Final answer
    x = 10,470.33

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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.