Home / 15,916.62-23,877.63-7,157.69

Finding the Fourth Proportional to 15,916.62, 23,877.63 and 7,157.69

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Solution

The fourth proportional to 15,916.62, 23,877.63 and 7,157.69 is: 10,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.62 : 23,877.63 = 7,157.69 : x
  2. Step 2: Convert to fraction form
    15,916.62/23,877.63 = 7,157.69/x
  3. Step 3: Cross multiply
    15,916.62x = 23,877.63 × 7,157.69
  4. Step 4: Simplify right side
    15,916.62x = 170,908,554.09
  5. Step 5: Solve for x
    x = 170,908,554.09/15,916.62
  6. Step 6: Final answer
    x = 10,737.74

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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.