Home / 21,936.18-32,851.54-12,547.74

Finding the Fourth Proportional to 21,936.18, 32,851.54 and 12,547.74

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Solution

The fourth proportional to 21,936.18, 32,851.54 and 12,547.74 is: 18,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.18 : 32,851.54 = 12,547.74 : x
  2. Step 2: Convert to fraction form
    21,936.18/32,851.54 = 12,547.74/x
  3. Step 3: Cross multiply
    21,936.18x = 32,851.54 × 12,547.74
  4. Step 4: Simplify right side
    21,936.18x = 412,212,582.52
  5. Step 5: Solve for x
    x = 412,212,582.52/21,936.18
  6. Step 6: Final answer
    x = 18,791.45

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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.