Home / 19,506-26,923.08-11,127.36

Finding the Fourth Proportional to 19,506, 26,923.08 and 11,127.36

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Solution

The fourth proportional to 19,506, 26,923.08 and 11,127.36 is: 15,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506 : 26,923.08 = 11,127.36 : x
  2. Step 2: Convert to fraction form
    19,506/26,923.08 = 11,127.36/x
  3. Step 3: Cross multiply
    19,506x = 26,923.08 × 11,127.36
  4. Step 4: Simplify right side
    19,506x = 299,582,803.47
  5. Step 5: Solve for x
    x = 299,582,803.47/19,506
  6. Step 6: Final answer
    x = 15,358.49

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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.