Home / 15,267.08-21,068.33-8,552.69

Finding the Fourth Proportional to 15,267.08, 21,068.33 and 8,552.69

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Solution

The fourth proportional to 15,267.08, 21,068.33 and 8,552.69 is: 11,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.08 : 21,068.33 = 8,552.69 : x
  2. Step 2: Convert to fraction form
    15,267.08/21,068.33 = 8,552.69/x
  3. Step 3: Cross multiply
    15,267.08x = 21,068.33 × 8,552.69
  4. Step 4: Simplify right side
    15,267.08x = 180,190,895.31
  5. Step 5: Solve for x
    x = 180,190,895.31/15,267.08
  6. Step 6: Final answer
    x = 11,802.58

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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.