Home / 22,075.48-30,448.74-14,989.60

Finding the Fourth Proportional to 22,075.48, 30,448.74 and 14,989.60

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Solution

The fourth proportional to 22,075.48, 30,448.74 and 14,989.60 is: 20,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.48 : 30,448.74 = 14,989.60 : x
  2. Step 2: Convert to fraction form
    22,075.48/30,448.74 = 14,989.60/x
  3. Step 3: Cross multiply
    22,075.48x = 30,448.74 × 14,989.60
  4. Step 4: Simplify right side
    22,075.48x = 456,414,433.10
  5. Step 5: Solve for x
    x = 456,414,433.10/22,075.48
  6. Step 6: Final answer
    x = 20,675.18

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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.