Home / 19,353.16-28,988.73-14,621.04

Finding the Fourth Proportional to 19,353.16, 28,988.73 and 14,621.04

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Solution

The fourth proportional to 19,353.16, 28,988.73 and 14,621.04 is: 21,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.16 : 28,988.73 = 14,621.04 : x
  2. Step 2: Convert to fraction form
    19,353.16/28,988.73 = 14,621.04/x
  3. Step 3: Cross multiply
    19,353.16x = 28,988.73 × 14,621.04
  4. Step 4: Simplify right side
    19,353.16x = 423,845,380.88
  5. Step 5: Solve for x
    x = 423,845,380.88/19,353.16
  6. Step 6: Final answer
    x = 21,900.58

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1.5x scale

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.