Home / 26,427.87-39,637.49-9,783.99

Finding the Fourth Proportional to 26,427.87, 39,637.49 and 9,783.99

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Solution

The fourth proportional to 26,427.87, 39,637.49 and 9,783.99 is: 14,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.87 : 39,637.49 = 9,783.99 : x
  2. Step 2: Convert to fraction form
    26,427.87/39,637.49 = 9,783.99/x
  3. Step 3: Cross multiply
    26,427.87x = 39,637.49 × 9,783.99
  4. Step 4: Simplify right side
    26,427.87x = 387,812,756.87
  5. Step 5: Solve for x
    x = 387,812,756.87/26,427.87
  6. Step 6: Final answer
    x = 14,674.39

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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.