Home / 25,399.79-35,057.34-14,795.57

Finding the Fourth Proportional to 25,399.79, 35,057.34 and 14,795.57

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Solution

The fourth proportional to 25,399.79, 35,057.34 and 14,795.57 is: 20,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.79 : 35,057.34 = 14,795.57 : x
  2. Step 2: Convert to fraction form
    25,399.79/35,057.34 = 14,795.57/x
  3. Step 3: Cross multiply
    25,399.79x = 35,057.34 × 14,795.57
  4. Step 4: Simplify right side
    25,399.79x = 518,693,415.63
  5. Step 5: Solve for x
    x = 518,693,415.63/25,399.79
  6. Step 6: Final answer
    x = 20,421.17

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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.