Home / 18,948.87-26,148.02-10,563.75

Finding the Fourth Proportional to 18,948.87, 26,148.02 and 10,563.75

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Solution

The fourth proportional to 18,948.87, 26,148.02 and 10,563.75 is: 14,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.87 : 26,148.02 = 10,563.75 : x
  2. Step 2: Convert to fraction form
    18,948.87/26,148.02 = 10,563.75/x
  3. Step 3: Cross multiply
    18,948.87x = 26,148.02 × 10,563.75
  4. Step 4: Simplify right side
    18,948.87x = 276,221,093.46
  5. Step 5: Solve for x
    x = 276,221,093.46/18,948.87
  6. Step 6: Final answer
    x = 14,577.18

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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.