Home / 25,136.49-34,685.73-15,064.68

Finding the Fourth Proportional to 25,136.49, 34,685.73 and 15,064.68

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Solution

The fourth proportional to 25,136.49, 34,685.73 and 15,064.68 is: 20,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.49 : 34,685.73 = 15,064.68 : x
  2. Step 2: Convert to fraction form
    25,136.49/34,685.73 = 15,064.68/x
  3. Step 3: Cross multiply
    25,136.49x = 34,685.73 × 15,064.68
  4. Step 4: Simplify right side
    25,136.49x = 522,529,423.02
  5. Step 5: Solve for x
    x = 522,529,423.02/25,136.49
  6. Step 6: Final answer
    x = 20,787.68

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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.