Home / 19,055.08-28,580.70-5,205.48

Finding the Fourth Proportional to 19,055.08, 28,580.70 and 5,205.48

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Solution

The fourth proportional to 19,055.08, 28,580.70 and 5,205.48 is: 7,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.08 : 28,580.70 = 5,205.48 : x
  2. Step 2: Convert to fraction form
    19,055.08/28,580.70 = 5,205.48/x
  3. Step 3: Cross multiply
    19,055.08x = 28,580.70 × 5,205.48
  4. Step 4: Simplify right side
    19,055.08x = 148,776,262.24
  5. Step 5: Solve for x
    x = 148,776,262.24/19,055.08
  6. Step 6: Final answer
    x = 7,807.70

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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.