Home / 29,663.15-40,936.19-19,985.67

Finding the Fourth Proportional to 29,663.15, 40,936.19 and 19,985.67

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Solution

The fourth proportional to 29,663.15, 40,936.19 and 19,985.67 is: 27,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.15 : 40,936.19 = 19,985.67 : x
  2. Step 2: Convert to fraction form
    29,663.15/40,936.19 = 19,985.67/x
  3. Step 3: Cross multiply
    29,663.15x = 40,936.19 × 19,985.67
  4. Step 4: Simplify right side
    29,663.15x = 818,137,084.47
  5. Step 5: Solve for x
    x = 818,137,084.47/29,663.15
  6. Step 6: Final answer
    x = 27,580.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.