Home / 15,323.58-21,156.32-10,226.36

Finding the Fourth Proportional to 15,323.58, 21,156.32 and 10,226.36

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Solution

The fourth proportional to 15,323.58, 21,156.32 and 10,226.36 is: 14,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.58 : 21,156.32 = 10,226.36 : x
  2. Step 2: Convert to fraction form
    15,323.58/21,156.32 = 10,226.36/x
  3. Step 3: Cross multiply
    15,323.58x = 21,156.32 × 10,226.36
  4. Step 4: Simplify right side
    15,323.58x = 216,352,223.05
  5. Step 5: Solve for x
    x = 216,352,223.05/15,323.58
  6. Step 6: Final answer
    x = 14,118.91

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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.