Home / 19,047.09-28,576.59-9,184.68

Finding the Fourth Proportional to 19,047.09, 28,576.59 and 9,184.68

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Solution

The fourth proportional to 19,047.09, 28,576.59 and 9,184.68 is: 13,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.09 : 28,576.59 = 9,184.68 : x
  2. Step 2: Convert to fraction form
    19,047.09/28,576.59 = 9,184.68/x
  3. Step 3: Cross multiply
    19,047.09x = 28,576.59 × 9,184.68
  4. Step 4: Simplify right side
    19,047.09x = 262,466,834.64
  5. Step 5: Solve for x
    x = 262,466,834.64/19,047.09
  6. Step 6: Final answer
    x = 13,779.89

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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.