Home / 19,148.32-26,416.56-11,692

Finding the Fourth Proportional to 19,148.32, 26,416.56 and 11,692

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Solution

The fourth proportional to 19,148.32, 26,416.56 and 11,692 is: 16,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.32 : 26,416.56 = 11,692 : x
  2. Step 2: Convert to fraction form
    19,148.32/26,416.56 = 11,692/x
  3. Step 3: Cross multiply
    19,148.32x = 26,416.56 × 11,692
  4. Step 4: Simplify right side
    19,148.32x = 308,862,419.52
  5. Step 5: Solve for x
    x = 308,862,419.52/19,148.32
  6. Step 6: Final answer
    x = 16,130.00

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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.