Home / 13,800.48-19,039.70-9,264.26

Finding the Fourth Proportional to 13,800.48, 19,039.70 and 9,264.26

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Solution

The fourth proportional to 13,800.48, 19,039.70 and 9,264.26 is: 12,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.48 : 19,039.70 = 9,264.26 : x
  2. Step 2: Convert to fraction form
    13,800.48/19,039.70 = 9,264.26/x
  3. Step 3: Cross multiply
    13,800.48x = 19,039.70 × 9,264.26
  4. Step 4: Simplify right side
    13,800.48x = 176,388,731.12
  5. Step 5: Solve for x
    x = 176,388,731.12/13,800.48
  6. Step 6: Final answer
    x = 12,781.35

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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.