Home / 19,395.24-26,775.64-13,055.16

Finding the Fourth Proportional to 19,395.24, 26,775.64 and 13,055.16

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Solution

The fourth proportional to 19,395.24, 26,775.64 and 13,055.16 is: 18,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.24 : 26,775.64 = 13,055.16 : x
  2. Step 2: Convert to fraction form
    19,395.24/26,775.64 = 13,055.16/x
  3. Step 3: Cross multiply
    19,395.24x = 26,775.64 × 13,055.16
  4. Step 4: Simplify right side
    19,395.24x = 349,560,264.30
  5. Step 5: Solve for x
    x = 349,560,264.30/19,395.24
  6. Step 6: Final answer
    x = 18,022.99

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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.