Home / 16,719.64-25,075.43-4,870.20

Finding the Fourth Proportional to 16,719.64, 25,075.43 and 4,870.20

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Solution

The fourth proportional to 16,719.64, 25,075.43 and 4,870.20 is: 7,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.64 : 25,075.43 = 4,870.20 : x
  2. Step 2: Convert to fraction form
    16,719.64/25,075.43 = 4,870.20/x
  3. Step 3: Cross multiply
    16,719.64x = 25,075.43 × 4,870.20
  4. Step 4: Simplify right side
    16,719.64x = 122,122,359.19
  5. Step 5: Solve for x
    x = 122,122,359.19/16,719.64
  6. Step 6: Final answer
    x = 7,304.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.