Home / 21,934.18-32,848.55-12,545.74

Finding the Fourth Proportional to 21,934.18, 32,848.55 and 12,545.74

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Solution

The fourth proportional to 21,934.18, 32,848.55 and 12,545.74 is: 18,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.18 : 32,848.55 = 12,545.74 : x
  2. Step 2: Convert to fraction form
    21,934.18/32,848.55 = 12,545.74/x
  3. Step 3: Cross multiply
    21,934.18x = 32,848.55 × 12,545.74
  4. Step 4: Simplify right side
    21,934.18x = 412,109,222.83
  5. Step 5: Solve for x
    x = 412,109,222.83/21,934.18
  6. Step 6: Final answer
    x = 18,788.45

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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.