Home / 19,397.30-29,055.58-18,728.14

Finding the Fourth Proportional to 19,397.30, 29,055.58 and 18,728.14

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Solution

The fourth proportional to 19,397.30, 29,055.58 and 18,728.14 is: 28,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.30 : 29,055.58 = 18,728.14 : x
  2. Step 2: Convert to fraction form
    19,397.30/29,055.58 = 18,728.14/x
  3. Step 3: Cross multiply
    19,397.30x = 29,055.58 × 18,728.14
  4. Step 4: Simplify right side
    19,397.30x = 544,156,980.52
  5. Step 5: Solve for x
    x = 544,156,980.52/19,397.30
  6. Step 6: Final answer
    x = 28,053.23

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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.