Home / 25,196.95-37,722.45-18,983.12

Finding the Fourth Proportional to 25,196.95, 37,722.45 and 18,983.12

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Solution

The fourth proportional to 25,196.95, 37,722.45 and 18,983.12 is: 28,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,196.95 : 37,722.45 = 18,983.12 : x
  2. Step 2: Convert to fraction form
    25,196.95/37,722.45 = 18,983.12/x
  3. Step 3: Cross multiply
    25,196.95x = 37,722.45 × 18,983.12
  4. Step 4: Simplify right side
    25,196.95x = 716,089,795.04
  5. Step 5: Solve for x
    x = 716,089,795.04/25,196.95
  6. Step 6: Final answer
    x = 28,419.71

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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.