Home / 25,810.79-35,614.55-15,202.51

Finding the Fourth Proportional to 25,810.79, 35,614.55 and 15,202.51

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Solution

The fourth proportional to 25,810.79, 35,614.55 and 15,202.51 is: 20,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.79 : 35,614.55 = 15,202.51 : x
  2. Step 2: Convert to fraction form
    25,810.79/35,614.55 = 15,202.51/x
  3. Step 3: Cross multiply
    25,810.79x = 35,614.55 × 15,202.51
  4. Step 4: Simplify right side
    25,810.79x = 541,430,501.49
  5. Step 5: Solve for x
    x = 541,430,501.49/25,810.79
  6. Step 6: Final answer
    x = 20,976.91

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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.