Home / 15,961.51-22,026.63-8,888.05

Finding the Fourth Proportional to 15,961.51, 22,026.63 and 8,888.05

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Solution

The fourth proportional to 15,961.51, 22,026.63 and 8,888.05 is: 12,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.51 : 22,026.63 = 8,888.05 : x
  2. Step 2: Convert to fraction form
    15,961.51/22,026.63 = 8,888.05/x
  3. Step 3: Cross multiply
    15,961.51x = 22,026.63 × 8,888.05
  4. Step 4: Simplify right side
    15,961.51x = 195,773,788.77
  5. Step 5: Solve for x
    x = 195,773,788.77/15,961.51
  6. Step 6: Final answer
    x = 12,265.37

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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.