Home / 15,992.40-22,075.02-9,622.56

Finding the Fourth Proportional to 15,992.40, 22,075.02 and 9,622.56

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Solution

The fourth proportional to 15,992.40, 22,075.02 and 9,622.56 is: 13,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.40 : 22,075.02 = 9,622.56 : x
  2. Step 2: Convert to fraction form
    15,992.40/22,075.02 = 9,622.56/x
  3. Step 3: Cross multiply
    15,992.40x = 22,075.02 × 9,622.56
  4. Step 4: Simplify right side
    15,992.40x = 212,418,204.45
  5. Step 5: Solve for x
    x = 212,418,204.45/15,992.40
  6. Step 6: Final answer
    x = 13,282.45

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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.