Home / 25,790.23-38,681.18-7,065.89

Finding the Fourth Proportional to 25,790.23, 38,681.18 and 7,065.89

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Solution

The fourth proportional to 25,790.23, 38,681.18 and 7,065.89 is: 10,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.23 : 38,681.18 = 7,065.89 : x
  2. Step 2: Convert to fraction form
    25,790.23/38,681.18 = 7,065.89/x
  3. Step 3: Cross multiply
    25,790.23x = 38,681.18 × 7,065.89
  4. Step 4: Simplify right side
    25,790.23x = 273,316,962.95
  5. Step 5: Solve for x
    x = 273,316,962.95/25,790.23
  6. Step 6: Final answer
    x = 10,597.69

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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.