Home / 17,622.95-24,320.40-9,665.51

Finding the Fourth Proportional to 17,622.95, 24,320.40 and 9,665.51

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Solution

The fourth proportional to 17,622.95, 24,320.40 and 9,665.51 is: 13,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.95 : 24,320.40 = 9,665.51 : x
  2. Step 2: Convert to fraction form
    17,622.95/24,320.40 = 9,665.51/x
  3. Step 3: Cross multiply
    17,622.95x = 24,320.40 × 9,665.51
  4. Step 4: Simplify right side
    17,622.95x = 235,068,947.80
  5. Step 5: Solve for x
    x = 235,068,947.80/17,622.95
  6. Step 6: Final answer
    x = 13,338.80

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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.