Home / 19,120.87-26,379.43-14,097.02

Finding the Fourth Proportional to 19,120.87, 26,379.43 and 14,097.02

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Solution

The fourth proportional to 19,120.87, 26,379.43 and 14,097.02 is: 19,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.87 : 26,379.43 = 14,097.02 : x
  2. Step 2: Convert to fraction form
    19,120.87/26,379.43 = 14,097.02/x
  3. Step 3: Cross multiply
    19,120.87x = 26,379.43 × 14,097.02
  4. Step 4: Simplify right side
    19,120.87x = 371,871,185.16
  5. Step 5: Solve for x
    x = 371,871,185.16/19,120.87
  6. Step 6: Final answer
    x = 19,448.45

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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.