Home / 19,184.89-28,779.76-5,333.89

Finding the Fourth Proportional to 19,184.89, 28,779.76 and 5,333.89

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Solution

The fourth proportional to 19,184.89, 28,779.76 and 5,333.89 is: 8,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.89 : 28,779.76 = 5,333.89 : x
  2. Step 2: Convert to fraction form
    19,184.89/28,779.76 = 5,333.89/x
  3. Step 3: Cross multiply
    19,184.89x = 28,779.76 × 5,333.89
  4. Step 4: Simplify right side
    19,184.89x = 153,507,930.17
  5. Step 5: Solve for x
    x = 153,507,930.17/19,184.89
  6. Step 6: Final answer
    x = 8,001.50

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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.