Home / 19,424.69-26,783.14-13,295.35

Finding the Fourth Proportional to 19,424.69, 26,783.14 and 13,295.35

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Solution

The fourth proportional to 19,424.69, 26,783.14 and 13,295.35 is: 18,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.69 : 26,783.14 = 13,295.35 : x
  2. Step 2: Convert to fraction form
    19,424.69/26,783.14 = 13,295.35/x
  3. Step 3: Cross multiply
    19,424.69x = 26,783.14 × 13,295.35
  4. Step 4: Simplify right side
    19,424.69x = 356,091,120.20
  5. Step 5: Solve for x
    x = 356,091,120.20/19,424.69
  6. Step 6: Final answer
    x = 18,331.89

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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.