Home / 19,619.65-26,712.89-19,557.37

Finding the Fourth Proportional to 19,619.65, 26,712.89 and 19,557.37

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Solution

The fourth proportional to 19,619.65, 26,712.89 and 19,557.37 is: 26,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.65 : 26,712.89 = 19,557.37 : x
  2. Step 2: Convert to fraction form
    19,619.65/26,712.89 = 19,557.37/x
  3. Step 3: Cross multiply
    19,619.65x = 26,712.89 × 19,557.37
  4. Step 4: Simplify right side
    19,619.65x = 522,433,807.31
  5. Step 5: Solve for x
    x = 522,433,807.31/19,619.65
  6. Step 6: Final answer
    x = 26,628.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.