Home / 15,557.02-21,468.60-8,842.93

Finding the Fourth Proportional to 15,557.02, 21,468.60 and 8,842.93

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Solution

The fourth proportional to 15,557.02, 21,468.60 and 8,842.93 is: 12,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.02 : 21,468.60 = 8,842.93 : x
  2. Step 2: Convert to fraction form
    15,557.02/21,468.60 = 8,842.93/x
  3. Step 3: Cross multiply
    15,557.02x = 21,468.60 × 8,842.93
  4. Step 4: Simplify right side
    15,557.02x = 189,845,273.33
  5. Step 5: Solve for x
    x = 189,845,273.33/15,557.02
  6. Step 6: Final answer
    x = 12,203.19

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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.