Home / 19,117.80-28,682.16-5,970.36

Finding the Fourth Proportional to 19,117.80, 28,682.16 and 5,970.36

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Solution

The fourth proportional to 19,117.80, 28,682.16 and 5,970.36 is: 8,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.80 : 28,682.16 = 5,970.36 : x
  2. Step 2: Convert to fraction form
    19,117.80/28,682.16 = 5,970.36/x
  3. Step 3: Cross multiply
    19,117.80x = 28,682.16 × 5,970.36
  4. Step 4: Simplify right side
    19,117.80x = 171,242,820.78
  5. Step 5: Solve for x
    x = 171,242,820.78/19,117.80
  6. Step 6: Final answer
    x = 8,957.25

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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.