Home / 26,646.01-36,769.50-15,315.54

Finding the Fourth Proportional to 26,646.01, 36,769.50 and 15,315.54

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Solution

The fourth proportional to 26,646.01, 36,769.50 and 15,315.54 is: 21,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.01 : 36,769.50 = 15,315.54 : x
  2. Step 2: Convert to fraction form
    26,646.01/36,769.50 = 15,315.54/x
  3. Step 3: Cross multiply
    26,646.01x = 36,769.50 × 15,315.54
  4. Step 4: Simplify right side
    26,646.01x = 563,144,748.03
  5. Step 5: Solve for x
    x = 563,144,748.03/26,646.01
  6. Step 6: Final answer
    x = 21,134.30

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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.