Home / 15,995.10-22,061.80-13,866.82

Finding the Fourth Proportional to 15,995.10, 22,061.80 and 13,866.82

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Solution

The fourth proportional to 15,995.10, 22,061.80 and 13,866.82 is: 19,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.10 : 22,061.80 = 13,866.82 : x
  2. Step 2: Convert to fraction form
    15,995.10/22,061.80 = 13,866.82/x
  3. Step 3: Cross multiply
    15,995.10x = 22,061.80 × 13,866.82
  4. Step 4: Simplify right side
    15,995.10x = 305,927,009.48
  5. Step 5: Solve for x
    x = 305,927,009.48/15,995.10
  6. Step 6: Final answer
    x = 19,126.30

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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.