Home / 26,368.40-39,539.80-14,669.20

Finding the Fourth Proportional to 26,368.40, 39,539.80 and 14,669.20

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Solution

The fourth proportional to 26,368.40, 39,539.80 and 14,669.20 is: 21,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.40 : 39,539.80 = 14,669.20 : x
  2. Step 2: Convert to fraction form
    26,368.40/39,539.80 = 14,669.20/x
  3. Step 3: Cross multiply
    26,368.40x = 39,539.80 × 14,669.20
  4. Step 4: Simplify right side
    26,368.40x = 580,017,234.16
  5. Step 5: Solve for x
    x = 580,017,234.16/26,368.40
  6. Step 6: Final answer
    x = 21,996.68

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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.