Home / 25,905.45-35,749.11-14,574.93

Finding the Fourth Proportional to 25,905.45, 35,749.11 and 14,574.93

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Solution

The fourth proportional to 25,905.45, 35,749.11 and 14,574.93 is: 20,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.45 : 35,749.11 = 14,574.93 : x
  2. Step 2: Convert to fraction form
    25,905.45/35,749.11 = 14,574.93/x
  3. Step 3: Cross multiply
    25,905.45x = 35,749.11 × 14,574.93
  4. Step 4: Simplify right side
    25,905.45x = 521,040,775.81
  5. Step 5: Solve for x
    x = 521,040,775.81/25,905.45
  6. Step 6: Final answer
    x = 20,113.17

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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.