Home / 13,799.30-19,048.77-10,443.06

Finding the Fourth Proportional to 13,799.30, 19,048.77 and 10,443.06

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Solution

The fourth proportional to 13,799.30, 19,048.77 and 10,443.06 is: 14,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.30 : 19,048.77 = 10,443.06 : x
  2. Step 2: Convert to fraction form
    13,799.30/19,048.77 = 10,443.06/x
  3. Step 3: Cross multiply
    13,799.30x = 19,048.77 × 10,443.06
  4. Step 4: Simplify right side
    13,799.30x = 198,927,448.04
  5. Step 5: Solve for x
    x = 198,927,448.04/13,799.30
  6. Step 6: Final answer
    x = 14,415.77

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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.