Home / 18,298.90-27,448.35-17,948.98

Finding the Fourth Proportional to 18,298.90, 27,448.35 and 17,948.98

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Solution

The fourth proportional to 18,298.90, 27,448.35 and 17,948.98 is: 26,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.90 : 27,448.35 = 17,948.98 : x
  2. Step 2: Convert to fraction form
    18,298.90/27,448.35 = 17,948.98/x
  3. Step 3: Cross multiply
    18,298.90x = 27,448.35 × 17,948.98
  4. Step 4: Simplify right side
    18,298.90x = 492,669,885.18
  5. Step 5: Solve for x
    x = 492,669,885.18/18,298.90
  6. Step 6: Final answer
    x = 26,923.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.