Home / 18,368.22-25,362.44-14,112.53

Finding the Fourth Proportional to 18,368.22, 25,362.44 and 14,112.53

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Solution

The fourth proportional to 18,368.22, 25,362.44 and 14,112.53 is: 19,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.22 : 25,362.44 = 14,112.53 : x
  2. Step 2: Convert to fraction form
    18,368.22/25,362.44 = 14,112.53/x
  3. Step 3: Cross multiply
    18,368.22x = 25,362.44 × 14,112.53
  4. Step 4: Simplify right side
    18,368.22x = 357,928,068.56
  5. Step 5: Solve for x
    x = 357,928,068.56/18,368.22
  6. Step 6: Final answer
    x = 19,486.27

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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.