Home / 25,607.81-35,338.94-14,278.02

Finding the Fourth Proportional to 25,607.81, 35,338.94 and 14,278.02

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Solution

The fourth proportional to 25,607.81, 35,338.94 and 14,278.02 is: 19,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.81 : 35,338.94 = 14,278.02 : x
  2. Step 2: Convert to fraction form
    25,607.81/35,338.94 = 14,278.02/x
  3. Step 3: Cross multiply
    25,607.81x = 35,338.94 × 14,278.02
  4. Step 4: Simplify right side
    25,607.81x = 504,570,020.71
  5. Step 5: Solve for x
    x = 504,570,020.71/25,607.81
  6. Step 6: Final answer
    x = 19,703.76

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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.