Home / 25,460.49-35,133.89-15,382.98

Finding the Fourth Proportional to 25,460.49, 35,133.89 and 15,382.98

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Solution

The fourth proportional to 25,460.49, 35,133.89 and 15,382.98 is: 21,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460.49 : 35,133.89 = 15,382.98 : x
  2. Step 2: Convert to fraction form
    25,460.49/35,133.89 = 15,382.98/x
  3. Step 3: Cross multiply
    25,460.49x = 35,133.89 × 15,382.98
  4. Step 4: Simplify right side
    25,460.49x = 540,463,927.19
  5. Step 5: Solve for x
    x = 540,463,927.19/25,460.49
  6. Step 6: Final answer
    x = 21,227.55

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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.