Home / 18,948.18-26,149.41-10,564.50

Finding the Fourth Proportional to 18,948.18, 26,149.41 and 10,564.50

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Solution

The fourth proportional to 18,948.18, 26,149.41 and 10,564.50 is: 14,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.18 : 26,149.41 = 10,564.50 : x
  2. Step 2: Convert to fraction form
    18,948.18/26,149.41 = 10,564.50/x
  3. Step 3: Cross multiply
    18,948.18x = 26,149.41 × 10,564.50
  4. Step 4: Simplify right side
    18,948.18x = 276,255,441.95
  5. Step 5: Solve for x
    x = 276,255,441.95/18,948.18
  6. Step 6: Final answer
    x = 14,579.52

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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.