Home / 15,530.72-23,165.74-14,257.04

Finding the Fourth Proportional to 15,530.72, 23,165.74 and 14,257.04

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Solution

The fourth proportional to 15,530.72, 23,165.74 and 14,257.04 is: 21,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.72 : 23,165.74 = 14,257.04 : x
  2. Step 2: Convert to fraction form
    15,530.72/23,165.74 = 14,257.04/x
  3. Step 3: Cross multiply
    15,530.72x = 23,165.74 × 14,257.04
  4. Step 4: Simplify right side
    15,530.72x = 330,274,881.81
  5. Step 5: Solve for x
    x = 330,274,881.81/15,530.72
  6. Step 6: Final answer
    x = 21,265.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.