Home / 19,345.16-29,034.30-19,199.72

Finding the Fourth Proportional to 19,345.16, 29,034.30 and 19,199.72

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Solution

The fourth proportional to 19,345.16, 29,034.30 and 19,199.72 is: 28,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.16 : 29,034.30 = 19,199.72 : x
  2. Step 2: Convert to fraction form
    19,345.16/29,034.30 = 19,199.72/x
  3. Step 3: Cross multiply
    19,345.16x = 29,034.30 × 19,199.72
  4. Step 4: Simplify right side
    19,345.16x = 557,450,430.40
  5. Step 5: Solve for x
    x = 557,450,430.40/19,345.16
  6. Step 6: Final answer
    x = 28,816.02

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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.