Home / 13,837.98-19,057.86-12,948.60

Finding the Fourth Proportional to 13,837.98, 19,057.86 and 12,948.60

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Solution

The fourth proportional to 13,837.98, 19,057.86 and 12,948.60 is: 17,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.98 : 19,057.86 = 12,948.60 : x
  2. Step 2: Convert to fraction form
    13,837.98/19,057.86 = 12,948.60/x
  3. Step 3: Cross multiply
    13,837.98x = 19,057.86 × 12,948.60
  4. Step 4: Simplify right side
    13,837.98x = 246,772,606.00
  5. Step 5: Solve for x
    x = 246,772,606.00/13,837.98
  6. Step 6: Final answer
    x = 17,832.99

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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.