Home / 15,639.92-23,462.51-6,880.98

Finding the Fourth Proportional to 15,639.92, 23,462.51 and 6,880.98

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Solution

The fourth proportional to 15,639.92, 23,462.51 and 6,880.98 is: 10,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.92 : 23,462.51 = 6,880.98 : x
  2. Step 2: Convert to fraction form
    15,639.92/23,462.51 = 6,880.98/x
  3. Step 3: Cross multiply
    15,639.92x = 23,462.51 × 6,880.98
  4. Step 4: Simplify right side
    15,639.92x = 161,445,062.06
  5. Step 5: Solve for x
    x = 161,445,062.06/15,639.92
  6. Step 6: Final answer
    x = 10,322.63

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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.