Home / 26,503.81-36,577.78-15,174.20

Finding the Fourth Proportional to 26,503.81, 36,577.78 and 15,174.20

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Solution

The fourth proportional to 26,503.81, 36,577.78 and 15,174.20 is: 20,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.81 : 36,577.78 = 15,174.20 : x
  2. Step 2: Convert to fraction form
    26,503.81/36,577.78 = 15,174.20/x
  3. Step 3: Cross multiply
    26,503.81x = 36,577.78 × 15,174.20
  4. Step 4: Simplify right side
    26,503.81x = 555,038,602.78
  5. Step 5: Solve for x
    x = 555,038,602.78/26,503.81
  6. Step 6: Final answer
    x = 20,941.84

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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.