Home / 16,075.36-22,188.40-9,787.68

Finding the Fourth Proportional to 16,075.36, 22,188.40 and 9,787.68

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Solution

The fourth proportional to 16,075.36, 22,188.40 and 9,787.68 is: 13,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,075.36 : 22,188.40 = 9,787.68 : x
  2. Step 2: Convert to fraction form
    16,075.36/22,188.40 = 9,787.68/x
  3. Step 3: Cross multiply
    16,075.36x = 22,188.40 × 9,787.68
  4. Step 4: Simplify right side
    16,075.36x = 217,172,958.91
  5. Step 5: Solve for x
    x = 217,172,958.91/16,075.36
  6. Step 6: Final answer
    x = 13,509.68

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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.