Home / 15,352.92-23,030.46-10,420.56

Finding the Fourth Proportional to 15,352.92, 23,030.46 and 10,420.56

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Solution

The fourth proportional to 15,352.92, 23,030.46 and 10,420.56 is: 15,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.92 : 23,030.46 = 10,420.56 : x
  2. Step 2: Convert to fraction form
    15,352.92/23,030.46 = 10,420.56/x
  3. Step 3: Cross multiply
    15,352.92x = 23,030.46 × 10,420.56
  4. Step 4: Simplify right side
    15,352.92x = 239,990,290.26
  5. Step 5: Solve for x
    x = 239,990,290.26/15,352.92
  6. Step 6: Final answer
    x = 15,631.57

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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.