Home / 19,036.64-28,503.12-14,805.20

Finding the Fourth Proportional to 19,036.64, 28,503.12 and 14,805.20

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Solution

The fourth proportional to 19,036.64, 28,503.12 and 14,805.20 is: 22,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.64 : 28,503.12 = 14,805.20 : x
  2. Step 2: Convert to fraction form
    19,036.64/28,503.12 = 14,805.20/x
  3. Step 3: Cross multiply
    19,036.64x = 28,503.12 × 14,805.20
  4. Step 4: Simplify right side
    19,036.64x = 421,994,392.22
  5. Step 5: Solve for x
    x = 421,994,392.22/19,036.64
  6. Step 6: Final answer
    x = 22,167.48

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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.