Home / 15,916.50-23,874.75-4,972.50

Finding the Fourth Proportional to 15,916.50, 23,874.75 and 4,972.50

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Solution

The fourth proportional to 15,916.50, 23,874.75 and 4,972.50 is: 7,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.50 : 23,874.75 = 4,972.50 : x
  2. Step 2: Convert to fraction form
    15,916.50/23,874.75 = 4,972.50/x
  3. Step 3: Cross multiply
    15,916.50x = 23,874.75 × 4,972.50
  4. Step 4: Simplify right side
    15,916.50x = 118,717,194.38
  5. Step 5: Solve for x
    x = 118,717,194.38/15,916.50
  6. Step 6: Final answer
    x = 7,458.75

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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.