Home / 39,783.76-59,666.41-11,696.30

Finding the Fourth Proportional to 39,783.76, 59,666.41 and 11,696.30

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Solution

The fourth proportional to 39,783.76, 59,666.41 and 11,696.30 is: 17,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.76 : 59,666.41 = 11,696.30 : x
  2. Step 2: Convert to fraction form
    39,783.76/59,666.41 = 11,696.30/x
  3. Step 3: Cross multiply
    39,783.76x = 59,666.41 × 11,696.30
  4. Step 4: Simplify right side
    39,783.76x = 697,876,441.15
  5. Step 5: Solve for x
    x = 697,876,441.15/39,783.76
  6. Step 6: Final answer
    x = 17,541.74

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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.