Home / 25,724.66-38,589.51-13,210.34

Finding the Fourth Proportional to 25,724.66, 38,589.51 and 13,210.34

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Solution

The fourth proportional to 25,724.66, 38,589.51 and 13,210.34 is: 19,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.66 : 38,589.51 = 13,210.34 : x
  2. Step 2: Convert to fraction form
    25,724.66/38,589.51 = 13,210.34/x
  3. Step 3: Cross multiply
    25,724.66x = 38,589.51 × 13,210.34
  4. Step 4: Simplify right side
    25,724.66x = 509,780,547.53
  5. Step 5: Solve for x
    x = 509,780,547.53/25,724.66
  6. Step 6: Final answer
    x = 19,816.80

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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.