Home / 39,589.84-59,384.76-11,511.64

Finding the Fourth Proportional to 39,589.84, 59,384.76 and 11,511.64

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Solution

The fourth proportional to 39,589.84, 59,384.76 and 11,511.64 is: 17,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.84 : 59,384.76 = 11,511.64 : x
  2. Step 2: Convert to fraction form
    39,589.84/59,384.76 = 11,511.64/x
  3. Step 3: Cross multiply
    39,589.84x = 59,384.76 × 11,511.64
  4. Step 4: Simplify right side
    39,589.84x = 683,615,978.61
  5. Step 5: Solve for x
    x = 683,615,978.61/39,589.84
  6. Step 6: Final answer
    x = 17,267.46

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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.