Home / 23,028.48-31,771.17-15,075.09

Finding the Fourth Proportional to 23,028.48, 31,771.17 and 15,075.09

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Solution

The fourth proportional to 23,028.48, 31,771.17 and 15,075.09 is: 20,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.48 : 31,771.17 = 15,075.09 : x
  2. Step 2: Convert to fraction form
    23,028.48/31,771.17 = 15,075.09/x
  3. Step 3: Cross multiply
    23,028.48x = 31,771.17 × 15,075.09
  4. Step 4: Simplify right side
    23,028.48x = 478,953,247.16
  5. Step 5: Solve for x
    x = 478,953,247.16/23,028.48
  6. Step 6: Final answer
    x = 20,798.30

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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.