Home / 19,415.29-26,775.32-14,392.02

Finding the Fourth Proportional to 19,415.29, 26,775.32 and 14,392.02

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Solution

The fourth proportional to 19,415.29, 26,775.32 and 14,392.02 is: 19,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.29 : 26,775.32 = 14,392.02 : x
  2. Step 2: Convert to fraction form
    19,415.29/26,775.32 = 14,392.02/x
  3. Step 3: Cross multiply
    19,415.29x = 26,775.32 × 14,392.02
  4. Step 4: Simplify right side
    19,415.29x = 385,350,807.07
  5. Step 5: Solve for x
    x = 385,350,807.07/19,415.29
  6. Step 6: Final answer
    x = 19,847.81

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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.