Home / 21,694.84-32,547.18-9,215.27

Finding the Fourth Proportional to 21,694.84, 32,547.18 and 9,215.27

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Solution

The fourth proportional to 21,694.84, 32,547.18 and 9,215.27 is: 13,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694.84 : 32,547.18 = 9,215.27 : x
  2. Step 2: Convert to fraction form
    21,694.84/32,547.18 = 9,215.27/x
  3. Step 3: Cross multiply
    21,694.84x = 32,547.18 × 9,215.27
  4. Step 4: Simplify right side
    21,694.84x = 299,931,045.31
  5. Step 5: Solve for x
    x = 299,931,045.31/21,694.84
  6. Step 6: Final answer
    x = 13,825.00

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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.