Home / 19,010.45-28,523.72-10,235.12

Finding the Fourth Proportional to 19,010.45, 28,523.72 and 10,235.12

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Solution

The fourth proportional to 19,010.45, 28,523.72 and 10,235.12 is: 15,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.45 : 28,523.72 = 10,235.12 : x
  2. Step 2: Convert to fraction form
    19,010.45/28,523.72 = 10,235.12/x
  3. Step 3: Cross multiply
    19,010.45x = 28,523.72 × 10,235.12
  4. Step 4: Simplify right side
    19,010.45x = 291,943,580.02
  5. Step 5: Solve for x
    x = 291,943,580.02/19,010.45
  6. Step 6: Final answer
    x = 15,357.00

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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.