Home / 26,811.58-40,224.20-18,929.45

Finding the Fourth Proportional to 26,811.58, 40,224.20 and 18,929.45

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Solution

The fourth proportional to 26,811.58, 40,224.20 and 18,929.45 is: 28,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.58 : 40,224.20 = 18,929.45 : x
  2. Step 2: Convert to fraction form
    26,811.58/40,224.20 = 18,929.45/x
  3. Step 3: Cross multiply
    26,811.58x = 40,224.20 × 18,929.45
  4. Step 4: Simplify right side
    26,811.58x = 761,421,834.81
  5. Step 5: Solve for x
    x = 761,421,834.81/26,811.58
  6. Step 6: Final answer
    x = 28,399.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.