Home / 25,510.79-35,202.23-14,178.47

Finding the Fourth Proportional to 25,510.79, 35,202.23 and 14,178.47

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Solution

The fourth proportional to 25,510.79, 35,202.23 and 14,178.47 is: 19,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.79 : 35,202.23 = 14,178.47 : x
  2. Step 2: Convert to fraction form
    25,510.79/35,202.23 = 14,178.47/x
  3. Step 3: Cross multiply
    25,510.79x = 35,202.23 × 14,178.47
  4. Step 4: Simplify right side
    25,510.79x = 499,113,691.10
  5. Step 5: Solve for x
    x = 499,113,691.10/25,510.79
  6. Step 6: Final answer
    x = 19,564.81

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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.