Home / 15,577.03-21,495.54-8,862.02

Finding the Fourth Proportional to 15,577.03, 21,495.54 and 8,862.02

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Solution

The fourth proportional to 15,577.03, 21,495.54 and 8,862.02 is: 12,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.03 : 21,495.54 = 8,862.02 : x
  2. Step 2: Convert to fraction form
    15,577.03/21,495.54 = 8,862.02/x
  3. Step 3: Cross multiply
    15,577.03x = 21,495.54 × 8,862.02
  4. Step 4: Simplify right side
    15,577.03x = 190,493,905.39
  5. Step 5: Solve for x
    x = 190,493,905.39/15,577.03
  6. Step 6: Final answer
    x = 12,229.15

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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.