Home / 22,850.16-31,533.93-12,779.03

Finding the Fourth Proportional to 22,850.16, 31,533.93 and 12,779.03

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Solution

The fourth proportional to 22,850.16, 31,533.93 and 12,779.03 is: 17,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.16 : 31,533.93 = 12,779.03 : x
  2. Step 2: Convert to fraction form
    22,850.16/31,533.93 = 12,779.03/x
  3. Step 3: Cross multiply
    22,850.16x = 31,533.93 × 12,779.03
  4. Step 4: Simplify right side
    22,850.16x = 402,972,879.82
  5. Step 5: Solve for x
    x = 402,972,879.82/22,850.16
  6. Step 6: Final answer
    x = 17,635.45

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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.