Home / 19,296.10-28,897.43-13,356.34

Finding the Fourth Proportional to 19,296.10, 28,897.43 and 13,356.34

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Solution

The fourth proportional to 19,296.10, 28,897.43 and 13,356.34 is: 20,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.10 : 28,897.43 = 13,356.34 : x
  2. Step 2: Convert to fraction form
    19,296.10/28,897.43 = 13,356.34/x
  3. Step 3: Cross multiply
    19,296.10x = 28,897.43 × 13,356.34
  4. Step 4: Simplify right side
    19,296.10x = 385,964,036.42
  5. Step 5: Solve for x
    x = 385,964,036.42/19,296.10
  6. Step 6: Final answer
    x = 20,002.18

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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.