Home / 35,345.20-53,001.60-15,613.60

Finding the Fourth Proportional to 35,345.20, 53,001.60 and 15,613.60

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Solution

The fourth proportional to 35,345.20, 53,001.60 and 15,613.60 is: 23,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.20 : 53,001.60 = 15,613.60 : x
  2. Step 2: Convert to fraction form
    35,345.20/53,001.60 = 15,613.60/x
  3. Step 3: Cross multiply
    35,345.20x = 53,001.60 × 15,613.60
  4. Step 4: Simplify right side
    35,345.20x = 827,545,781.76
  5. Step 5: Solve for x
    x = 827,545,781.76/35,345.20
  6. Step 6: Final answer
    x = 23,413.24

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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.