Home / 39,795.18-59,680.09-13,136.23

Finding the Fourth Proportional to 39,795.18, 59,680.09 and 13,136.23

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Solution

The fourth proportional to 39,795.18, 59,680.09 and 13,136.23 is: 19,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,795.18 : 59,680.09 = 13,136.23 : x
  2. Step 2: Convert to fraction form
    39,795.18/59,680.09 = 13,136.23/x
  3. Step 3: Cross multiply
    39,795.18x = 59,680.09 × 13,136.23
  4. Step 4: Simplify right side
    39,795.18x = 783,971,143.98
  5. Step 5: Solve for x
    x = 783,971,143.98/39,795.18
  6. Step 6: Final answer
    x = 19,700.15

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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.