Home / 15,266.64-21,068.73-8,552.28

Finding the Fourth Proportional to 15,266.64, 21,068.73 and 8,552.28

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Solution

The fourth proportional to 15,266.64, 21,068.73 and 8,552.28 is: 11,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.64 : 21,068.73 = 8,552.28 : x
  2. Step 2: Convert to fraction form
    15,266.64/21,068.73 = 8,552.28/x
  3. Step 3: Cross multiply
    15,266.64x = 21,068.73 × 8,552.28
  4. Step 4: Simplify right side
    15,266.64x = 180,185,678.20
  5. Step 5: Solve for x
    x = 180,185,678.20/15,266.64
  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.