Home / 25,133.07-34,684.56-13,803.61

Finding the Fourth Proportional to 25,133.07, 34,684.56 and 13,803.61

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Solution

The fourth proportional to 25,133.07, 34,684.56 and 13,803.61 is: 19,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.07 : 34,684.56 = 13,803.61 : x
  2. Step 2: Convert to fraction form
    25,133.07/34,684.56 = 13,803.61/x
  3. Step 3: Cross multiply
    25,133.07x = 34,684.56 × 13,803.61
  4. Step 4: Simplify right side
    25,133.07x = 478,772,139.26
  5. Step 5: Solve for x
    x = 478,772,139.26/25,133.07
  6. Step 6: Final answer
    x = 19,049.49

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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.