Home / 18,970.75-26,179.65-10,587.25

Finding the Fourth Proportional to 18,970.75, 26,179.65 and 10,587.25

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Solution

The fourth proportional to 18,970.75, 26,179.65 and 10,587.25 is: 14,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.75 : 26,179.65 = 10,587.25 : x
  2. Step 2: Convert to fraction form
    18,970.75/26,179.65 = 10,587.25/x
  3. Step 3: Cross multiply
    18,970.75x = 26,179.65 × 10,587.25
  4. Step 4: Simplify right side
    18,970.75x = 277,170,499.46
  5. Step 5: Solve for x
    x = 277,170,499.46/18,970.75
  6. Step 6: Final answer
    x = 14,610.41

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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.