Home / 19,055.90-28,580.61-5,201.66

Finding the Fourth Proportional to 19,055.90, 28,580.61 and 5,201.66

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Solution

The fourth proportional to 19,055.90, 28,580.61 and 5,201.66 is: 7,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.90 : 28,580.61 = 5,201.66 : x
  2. Step 2: Convert to fraction form
    19,055.90/28,580.61 = 5,201.66/x
  3. Step 3: Cross multiply
    19,055.90x = 28,580.61 × 5,201.66
  4. Step 4: Simplify right side
    19,055.90x = 148,666,615.81
  5. Step 5: Solve for x
    x = 148,666,615.81/19,055.90
  6. Step 6: Final answer
    x = 7,801.61

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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.