Home / 19,840.63-29,775.35-7,362.45

Finding the Fourth Proportional to 19,840.63, 29,775.35 and 7,362.45

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Solution

The fourth proportional to 19,840.63, 29,775.35 and 7,362.45 is: 11,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.63 : 29,775.35 = 7,362.45 : x
  2. Step 2: Convert to fraction form
    19,840.63/29,775.35 = 7,362.45/x
  3. Step 3: Cross multiply
    19,840.63x = 29,775.35 × 7,362.45
  4. Step 4: Simplify right side
    19,840.63x = 219,219,525.61
  5. Step 5: Solve for x
    x = 219,219,525.61/19,840.63
  6. Step 6: Final answer
    x = 11,049.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.