Home / 15,053.02-20,783.31-9,396.38

Finding the Fourth Proportional to 15,053.02, 20,783.31 and 9,396.38

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Solution

The fourth proportional to 15,053.02, 20,783.31 and 9,396.38 is: 12,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.02 : 20,783.31 = 9,396.38 : x
  2. Step 2: Convert to fraction form
    15,053.02/20,783.31 = 9,396.38/x
  3. Step 3: Cross multiply
    15,053.02x = 20,783.31 × 9,396.38
  4. Step 4: Simplify right side
    15,053.02x = 195,287,878.42
  5. Step 5: Solve for x
    x = 195,287,878.42/15,053.02
  6. Step 6: Final answer
    x = 12,973.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.