Home / 39,724.48-59,586.90-13,429.36

Finding the Fourth Proportional to 39,724.48, 59,586.90 and 13,429.36

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Solution

The fourth proportional to 39,724.48, 59,586.90 and 13,429.36 is: 20,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.48 : 59,586.90 = 13,429.36 : x
  2. Step 2: Convert to fraction form
    39,724.48/59,586.90 = 13,429.36/x
  3. Step 3: Cross multiply
    39,724.48x = 59,586.90 × 13,429.36
  4. Step 4: Simplify right side
    39,724.48x = 800,213,931.38
  5. Step 5: Solve for x
    x = 800,213,931.38/39,724.48
  6. Step 6: Final answer
    x = 20,144.10

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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.