Home / 25,136.26-34,665.78-19,153.60

Finding the Fourth Proportional to 25,136.26, 34,665.78 and 19,153.60

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Solution

The fourth proportional to 25,136.26, 34,665.78 and 19,153.60 is: 26,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.26 : 34,665.78 = 19,153.60 : x
  2. Step 2: Convert to fraction form
    25,136.26/34,665.78 = 19,153.60/x
  3. Step 3: Cross multiply
    25,136.26x = 34,665.78 × 19,153.60
  4. Step 4: Simplify right side
    25,136.26x = 663,974,483.81
  5. Step 5: Solve for x
    x = 663,974,483.81/25,136.26
  6. Step 6: Final answer
    x = 26,415.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.