Home / 19,673.02-27,148.41-10,720.60

Finding the Fourth Proportional to 19,673.02, 27,148.41 and 10,720.60

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Solution

The fourth proportional to 19,673.02, 27,148.41 and 10,720.60 is: 14,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.02 : 27,148.41 = 10,720.60 : x
  2. Step 2: Convert to fraction form
    19,673.02/27,148.41 = 10,720.60/x
  3. Step 3: Cross multiply
    19,673.02x = 27,148.41 × 10,720.60
  4. Step 4: Simplify right side
    19,673.02x = 291,047,244.25
  5. Step 5: Solve for x
    x = 291,047,244.25/19,673.02
  6. Step 6: Final answer
    x = 14,794.23

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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.