Home / 25,456.48-35,127.12-14,125.60

Finding the Fourth Proportional to 25,456.48, 35,127.12 and 14,125.60

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Solution

The fourth proportional to 25,456.48, 35,127.12 and 14,125.60 is: 19,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.48 : 35,127.12 = 14,125.60 : x
  2. Step 2: Convert to fraction form
    25,456.48/35,127.12 = 14,125.60/x
  3. Step 3: Cross multiply
    25,456.48x = 35,127.12 × 14,125.60
  4. Step 4: Simplify right side
    25,456.48x = 496,191,646.27
  5. Step 5: Solve for x
    x = 496,191,646.27/25,456.48
  6. Step 6: Final answer
    x = 19,491.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.