Home / 15,916.93-23,867.15-8,424.55

Finding the Fourth Proportional to 15,916.93, 23,867.15 and 8,424.55

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Solution

The fourth proportional to 15,916.93, 23,867.15 and 8,424.55 is: 12,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.93 : 23,867.15 = 8,424.55 : x
  2. Step 2: Convert to fraction form
    15,916.93/23,867.15 = 8,424.55/x
  3. Step 3: Cross multiply
    15,916.93x = 23,867.15 × 8,424.55
  4. Step 4: Simplify right side
    15,916.93x = 201,069,956.41
  5. Step 5: Solve for x
    x = 201,069,956.41/15,916.93
  6. Step 6: Final answer
    x = 12,632.46

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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.