Home / 16,720.47-23,075.37-9,647.37

Finding the Fourth Proportional to 16,720.47, 23,075.37 and 9,647.37

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Solution

The fourth proportional to 16,720.47, 23,075.37 and 9,647.37 is: 13,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.47 : 23,075.37 = 9,647.37 : x
  2. Step 2: Convert to fraction form
    16,720.47/23,075.37 = 9,647.37/x
  3. Step 3: Cross multiply
    16,720.47x = 23,075.37 × 9,647.37
  4. Step 4: Simplify right side
    16,720.47x = 222,616,632.28
  5. Step 5: Solve for x
    x = 222,616,632.28/16,720.47
  6. Step 6: Final answer
    x = 13,314.02

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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.