Home / 18,954.84-26,155.58-10,995.52

Finding the Fourth Proportional to 18,954.84, 26,155.58 and 10,995.52

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Solution

The fourth proportional to 18,954.84, 26,155.58 and 10,995.52 is: 15,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.84 : 26,155.58 = 10,995.52 : x
  2. Step 2: Convert to fraction form
    18,954.84/26,155.58 = 10,995.52/x
  3. Step 3: Cross multiply
    18,954.84x = 26,155.58 × 10,995.52
  4. Step 4: Simplify right side
    18,954.84x = 287,594,203.00
  5. Step 5: Solve for x
    x = 287,594,203.00/18,954.84
  6. Step 6: Final answer
    x = 15,172.60

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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.