Home / 21,374.53-32,068.28-11,377.58

Finding the Fourth Proportional to 21,374.53, 32,068.28 and 11,377.58

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Solution

The fourth proportional to 21,374.53, 32,068.28 and 11,377.58 is: 17,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.53 : 32,068.28 = 11,377.58 : x
  2. Step 2: Convert to fraction form
    21,374.53/32,068.28 = 11,377.58/x
  3. Step 3: Cross multiply
    21,374.53x = 32,068.28 × 11,377.58
  4. Step 4: Simplify right side
    21,374.53x = 364,859,289.26
  5. Step 5: Solve for x
    x = 364,859,289.26/21,374.53
  6. Step 6: Final answer
    x = 17,069.82

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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.