Home / 13,990.69-19,293.85-10,798.89

Finding the Fourth Proportional to 13,990.69, 19,293.85 and 10,798.89

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Solution

The fourth proportional to 13,990.69, 19,293.85 and 10,798.89 is: 14,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.69 : 19,293.85 = 10,798.89 : x
  2. Step 2: Convert to fraction form
    13,990.69/19,293.85 = 10,798.89/x
  3. Step 3: Cross multiply
    13,990.69x = 19,293.85 × 10,798.89
  4. Step 4: Simplify right side
    13,990.69x = 208,352,044.23
  5. Step 5: Solve for x
    x = 208,352,044.23/13,990.69
  6. Step 6: Final answer
    x = 14,892.19

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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.