Home / 30,495.25-45,701.28-18,653.14

Finding the Fourth Proportional to 30,495.25, 45,701.28 and 18,653.14

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Solution

The fourth proportional to 30,495.25, 45,701.28 and 18,653.14 is: 27,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.25 : 45,701.28 = 18,653.14 : x
  2. Step 2: Convert to fraction form
    30,495.25/45,701.28 = 18,653.14/x
  3. Step 3: Cross multiply
    30,495.25x = 45,701.28 × 18,653.14
  4. Step 4: Simplify right side
    30,495.25x = 852,472,374.02
  5. Step 5: Solve for x
    x = 852,472,374.02/30,495.25
  6. Step 6: Final answer
    x = 27,954.27

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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.