Home / 25,200.48-37,810.80-12,727.20

Finding the Fourth Proportional to 25,200.48, 37,810.80 and 12,727.20

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Solution

The fourth proportional to 25,200.48, 37,810.80 and 12,727.20 is: 19,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.48 : 37,810.80 = 12,727.20 : x
  2. Step 2: Convert to fraction form
    25,200.48/37,810.80 = 12,727.20/x
  3. Step 3: Cross multiply
    25,200.48x = 37,810.80 × 12,727.20
  4. Step 4: Simplify right side
    25,200.48x = 481,225,613.76
  5. Step 5: Solve for x
    x = 481,225,613.76/25,200.48
  6. Step 6: Final answer
    x = 19,095.89

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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.