Home / 26,129.98-36,047.46-15,513.58

Finding the Fourth Proportional to 26,129.98, 36,047.46 and 15,513.58

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Solution

The fourth proportional to 26,129.98, 36,047.46 and 15,513.58 is: 21,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.98 : 36,047.46 = 15,513.58 : x
  2. Step 2: Convert to fraction form
    26,129.98/36,047.46 = 15,513.58/x
  3. Step 3: Cross multiply
    26,129.98x = 36,047.46 × 15,513.58
  4. Step 4: Simplify right side
    26,129.98x = 559,225,154.51
  5. Step 5: Solve for x
    x = 559,225,154.51/26,129.98
  6. Step 6: Final answer
    x = 21,401.67

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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.