Home / 26,688.15-39,999.85-19,602.46

Finding the Fourth Proportional to 26,688.15, 39,999.85 and 19,602.46

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Solution

The fourth proportional to 26,688.15, 39,999.85 and 19,602.46 is: 29,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.15 : 39,999.85 = 19,602.46 : x
  2. Step 2: Convert to fraction form
    26,688.15/39,999.85 = 19,602.46/x
  3. Step 3: Cross multiply
    26,688.15x = 39,999.85 × 19,602.46
  4. Step 4: Simplify right side
    26,688.15x = 784,095,459.63
  5. Step 5: Solve for x
    x = 784,095,459.63/26,688.15
  6. Step 6: Final answer
    x = 29,379.91

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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.