Home / 19,395.65-26,776.17-13,055.60

Finding the Fourth Proportional to 19,395.65, 26,776.17 and 13,055.60

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Solution

The fourth proportional to 19,395.65, 26,776.17 and 13,055.60 is: 18,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.65 : 26,776.17 = 13,055.60 : x
  2. Step 2: Convert to fraction form
    19,395.65/26,776.17 = 13,055.60/x
  3. Step 3: Cross multiply
    19,395.65x = 26,776.17 × 13,055.60
  4. Step 4: Simplify right side
    19,395.65x = 349,578,831.17
  5. Step 5: Solve for x
    x = 349,578,831.17/19,395.65
  6. Step 6: Final answer
    x = 18,023.57

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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.