Home / 39,767.65-59,651.89-11,688.21

Finding the Fourth Proportional to 39,767.65, 59,651.89 and 11,688.21

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Solution

The fourth proportional to 39,767.65, 59,651.89 and 11,688.21 is: 17,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.65 : 59,651.89 = 11,688.21 : x
  2. Step 2: Convert to fraction form
    39,767.65/59,651.89 = 11,688.21/x
  3. Step 3: Cross multiply
    39,767.65x = 59,651.89 × 11,688.21
  4. Step 4: Simplify right side
    39,767.65x = 697,223,817.22
  5. Step 5: Solve for x
    x = 697,223,817.22/39,767.65
  6. Step 6: Final answer
    x = 17,532.44

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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.