Home / 19,357.12-29,034.87-7,507.63

Finding the Fourth Proportional to 19,357.12, 29,034.87 and 7,507.63

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Solution

The fourth proportional to 19,357.12, 29,034.87 and 7,507.63 is: 11,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.12 : 29,034.87 = 7,507.63 : x
  2. Step 2: Convert to fraction form
    19,357.12/29,034.87 = 7,507.63/x
  3. Step 3: Cross multiply
    19,357.12x = 29,034.87 × 7,507.63
  4. Step 4: Simplify right side
    19,357.12x = 217,983,061.06
  5. Step 5: Solve for x
    x = 217,983,061.06/19,357.12
  6. Step 6: Final answer
    x = 11,261.13

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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.