Home / 21,610.52-29,828.06-14,075.62

Finding the Fourth Proportional to 21,610.52, 29,828.06 and 14,075.62

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Solution

The fourth proportional to 21,610.52, 29,828.06 and 14,075.62 is: 19,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.52 : 29,828.06 = 14,075.62 : x
  2. Step 2: Convert to fraction form
    21,610.52/29,828.06 = 14,075.62/x
  3. Step 3: Cross multiply
    21,610.52x = 29,828.06 × 14,075.62
  4. Step 4: Simplify right side
    21,610.52x = 419,848,437.90
  5. Step 5: Solve for x
    x = 419,848,437.90/21,610.52
  6. Step 6: Final answer
    x = 19,427.97

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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.