Home / 15,828.53-21,846.28-10,170.35

Finding the Fourth Proportional to 15,828.53, 21,846.28 and 10,170.35

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Solution

The fourth proportional to 15,828.53, 21,846.28 and 10,170.35 is: 14,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.53 : 21,846.28 = 10,170.35 : x
  2. Step 2: Convert to fraction form
    15,828.53/21,846.28 = 10,170.35/x
  3. Step 3: Cross multiply
    15,828.53x = 21,846.28 × 10,170.35
  4. Step 4: Simplify right side
    15,828.53x = 222,184,278.02
  5. Step 5: Solve for x
    x = 222,184,278.02/15,828.53
  6. Step 6: Final answer
    x = 14,036.95

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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.