Home / 39,985.99-59,971.59-14,679.97

Finding the Fourth Proportional to 39,985.99, 59,971.59 and 14,679.97

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Solution

The fourth proportional to 39,985.99, 59,971.59 and 14,679.97 is: 22,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,985.99 : 59,971.59 = 14,679.97 : x
  2. Step 2: Convert to fraction form
    39,985.99/59,971.59 = 14,679.97/x
  3. Step 3: Cross multiply
    39,985.99x = 59,971.59 × 14,679.97
  4. Step 4: Simplify right side
    39,985.99x = 880,380,992.12
  5. Step 5: Solve for x
    x = 880,380,992.12/39,985.99
  6. Step 6: Final answer
    x = 22,017.24

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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.