Home / 25,120.92-37,681.56-7,590.48

Finding the Fourth Proportional to 25,120.92, 37,681.56 and 7,590.48

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Solution

The fourth proportional to 25,120.92, 37,681.56 and 7,590.48 is: 11,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.92 : 37,681.56 = 7,590.48 : x
  2. Step 2: Convert to fraction form
    25,120.92/37,681.56 = 7,590.48/x
  3. Step 3: Cross multiply
    25,120.92x = 37,681.56 × 7,590.48
  4. Step 4: Simplify right side
    25,120.92x = 286,021,127.55
  5. Step 5: Solve for x
    x = 286,021,127.55/25,120.92
  6. Step 6: Final answer
    x = 11,385.77

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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.