Home / 19,419.95-29,125.58-7,574.01

Finding the Fourth Proportional to 19,419.95, 29,125.58 and 7,574.01

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Solution

The fourth proportional to 19,419.95, 29,125.58 and 7,574.01 is: 11,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.95 : 29,125.58 = 7,574.01 : x
  2. Step 2: Convert to fraction form
    19,419.95/29,125.58 = 7,574.01/x
  3. Step 3: Cross multiply
    19,419.95x = 29,125.58 × 7,574.01
  4. Step 4: Simplify right side
    19,419.95x = 220,597,287.08
  5. Step 5: Solve for x
    x = 220,597,287.08/19,419.95
  6. Step 6: Final answer
    x = 11,359.31

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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.