Home / 26,902.45-37,124.70-15,570.37

Finding the Fourth Proportional to 26,902.45, 37,124.70 and 15,570.37

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Solution

The fourth proportional to 26,902.45, 37,124.70 and 15,570.37 is: 21,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.45 : 37,124.70 = 15,570.37 : x
  2. Step 2: Convert to fraction form
    26,902.45/37,124.70 = 15,570.37/x
  3. Step 3: Cross multiply
    26,902.45x = 37,124.70 × 15,570.37
  4. Step 4: Simplify right side
    26,902.45x = 578,045,315.14
  5. Step 5: Solve for x
    x = 578,045,315.14/26,902.45
  6. Step 6: Final answer
    x = 21,486.72

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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.