Home / 19,608.02-29,393.63-7,124.91

Finding the Fourth Proportional to 19,608.02, 29,393.63 and 7,124.91

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Solution

The fourth proportional to 19,608.02, 29,393.63 and 7,124.91 is: 10,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.02 : 29,393.63 = 7,124.91 : x
  2. Step 2: Convert to fraction form
    19,608.02/29,393.63 = 7,124.91/x
  3. Step 3: Cross multiply
    19,608.02x = 29,393.63 × 7,124.91
  4. Step 4: Simplify right side
    19,608.02x = 209,426,968.32
  5. Step 5: Solve for x
    x = 209,426,968.32/19,608.02
  6. Step 6: Final answer
    x = 10,680.68

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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.