Home / 14,555.30-21,827.55-5,788.40

Finding the Fourth Proportional to 14,555.30, 21,827.55 and 5,788.40

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Solution

The fourth proportional to 14,555.30, 21,827.55 and 5,788.40 is: 8,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.30 : 21,827.55 = 5,788.40 : x
  2. Step 2: Convert to fraction form
    14,555.30/21,827.55 = 5,788.40/x
  3. Step 3: Cross multiply
    14,555.30x = 21,827.55 × 5,788.40
  4. Step 4: Simplify right side
    14,555.30x = 126,346,590.42
  5. Step 5: Solve for x
    x = 126,346,590.42/14,555.30
  6. Step 6: Final answer
    x = 8,680.45

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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.