Home / 19,614.02-27,048.90-15,130.68

Finding the Fourth Proportional to 19,614.02, 27,048.90 and 15,130.68

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Solution

The fourth proportional to 19,614.02, 27,048.90 and 15,130.68 is: 20,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.02 : 27,048.90 = 15,130.68 : x
  2. Step 2: Convert to fraction form
    19,614.02/27,048.90 = 15,130.68/x
  3. Step 3: Cross multiply
    19,614.02x = 27,048.90 × 15,130.68
  4. Step 4: Simplify right side
    19,614.02x = 409,268,250.25
  5. Step 5: Solve for x
    x = 409,268,250.25/19,614.02
  6. Step 6: Final answer
    x = 20,866.11

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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.