Home / 39,666.81-59,505.78-11,588.91

Finding the Fourth Proportional to 39,666.81, 59,505.78 and 11,588.91

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Solution

The fourth proportional to 39,666.81, 59,505.78 and 11,588.91 is: 17,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.81 : 59,505.78 = 11,588.91 : x
  2. Step 2: Convert to fraction form
    39,666.81/59,505.78 = 11,588.91/x
  3. Step 3: Cross multiply
    39,666.81x = 59,505.78 × 11,588.91
  4. Step 4: Simplify right side
    39,666.81x = 689,607,128.90
  5. Step 5: Solve for x
    x = 689,607,128.90/39,666.81
  6. Step 6: Final answer
    x = 17,384.99

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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.