Home / 26,459.96-36,518.11-15,281.96

Finding the Fourth Proportional to 26,459.96, 36,518.11 and 15,281.96

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Solution

The fourth proportional to 26,459.96, 36,518.11 and 15,281.96 is: 21,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.96 : 36,518.11 = 15,281.96 : x
  2. Step 2: Convert to fraction form
    26,459.96/36,518.11 = 15,281.96/x
  3. Step 3: Cross multiply
    26,459.96x = 36,518.11 × 15,281.96
  4. Step 4: Simplify right side
    26,459.96x = 558,068,075.50
  5. Step 5: Solve for x
    x = 558,068,075.50/26,459.96
  6. Step 6: Final answer
    x = 21,091.04

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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.