Home / 25,666.31-35,429.52-15,596.39

Finding the Fourth Proportional to 25,666.31, 35,429.52 and 15,596.39

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Solution

The fourth proportional to 25,666.31, 35,429.52 and 15,596.39 is: 21,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.31 : 35,429.52 = 15,596.39 : x
  2. Step 2: Convert to fraction form
    25,666.31/35,429.52 = 15,596.39/x
  3. Step 3: Cross multiply
    25,666.31x = 35,429.52 × 15,596.39
  4. Step 4: Simplify right side
    25,666.31x = 552,572,434.29
  5. Step 5: Solve for x
    x = 552,572,434.29/25,666.31
  6. Step 6: Final answer
    x = 21,529.10

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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.