Home / 25,727.51-35,503.89-15,123.26

Finding the Fourth Proportional to 25,727.51, 35,503.89 and 15,123.26

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Solution

The fourth proportional to 25,727.51, 35,503.89 and 15,123.26 is: 20,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.51 : 35,503.89 = 15,123.26 : x
  2. Step 2: Convert to fraction form
    25,727.51/35,503.89 = 15,123.26/x
  3. Step 3: Cross multiply
    25,727.51x = 35,503.89 × 15,123.26
  4. Step 4: Simplify right side
    25,727.51x = 536,934,381.96
  5. Step 5: Solve for x
    x = 536,934,381.96/25,727.51
  6. Step 6: Final answer
    x = 20,870.05

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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.