Home / 19,579.20-29,368.80-14,913.60

Finding the Fourth Proportional to 19,579.20, 29,368.80 and 14,913.60

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Solution

The fourth proportional to 19,579.20, 29,368.80 and 14,913.60 is: 22,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.20 : 29,368.80 = 14,913.60 : x
  2. Step 2: Convert to fraction form
    19,579.20/29,368.80 = 14,913.60/x
  3. Step 3: Cross multiply
    19,579.20x = 29,368.80 × 14,913.60
  4. Step 4: Simplify right side
    19,579.20x = 437,994,535.68
  5. Step 5: Solve for x
    x = 437,994,535.68/19,579.20
  6. Step 6: Final answer
    x = 22,370.40

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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.