Home / 25,316.10-37,980.66-9,729.54

Finding the Fourth Proportional to 25,316.10, 37,980.66 and 9,729.54

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Solution

The fourth proportional to 25,316.10, 37,980.66 and 9,729.54 is: 14,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.10 : 37,980.66 = 9,729.54 : x
  2. Step 2: Convert to fraction form
    25,316.10/37,980.66 = 9,729.54/x
  3. Step 3: Cross multiply
    25,316.10x = 37,980.66 × 9,729.54
  4. Step 4: Simplify right side
    25,316.10x = 369,534,350.70
  5. Step 5: Solve for x
    x = 369,534,350.70/25,316.10
  6. Step 6: Final answer
    x = 14,596.81

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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.