Home / 15,266.37-21,068.37-8,551.58

Finding the Fourth Proportional to 15,266.37, 21,068.37 and 8,551.58

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Solution

The fourth proportional to 15,266.37, 21,068.37 and 8,551.58 is: 11,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.37 : 21,068.37 = 8,551.58 : x
  2. Step 2: Convert to fraction form
    15,266.37/21,068.37 = 8,551.58/x
  3. Step 3: Cross multiply
    15,266.37x = 21,068.37 × 8,551.58
  4. Step 4: Simplify right side
    15,266.37x = 180,167,746.18
  5. Step 5: Solve for x
    x = 180,167,746.18/15,266.37
  6. Step 6: Final answer
    x = 11,801.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.