Home / 25,394.69-35,061.99-15,838.31

Finding the Fourth Proportional to 25,394.69, 35,061.99 and 15,838.31

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Solution

The fourth proportional to 25,394.69, 35,061.99 and 15,838.31 is: 21,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.69 : 35,061.99 = 15,838.31 : x
  2. Step 2: Convert to fraction form
    25,394.69/35,061.99 = 15,838.31/x
  3. Step 3: Cross multiply
    25,394.69x = 35,061.99 × 15,838.31
  4. Step 4: Simplify right side
    25,394.69x = 555,322,666.84
  5. Step 5: Solve for x
    x = 555,322,666.84/25,394.69
  6. Step 6: Final answer
    x = 21,867.67

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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.