Home / 14,518.85-21,784.95-10,574.01

Finding the Fourth Proportional to 14,518.85, 21,784.95 and 10,574.01

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Solution

The fourth proportional to 14,518.85, 21,784.95 and 10,574.01 is: 15,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.85 : 21,784.95 = 10,574.01 : x
  2. Step 2: Convert to fraction form
    14,518.85/21,784.95 = 10,574.01/x
  3. Step 3: Cross multiply
    14,518.85x = 21,784.95 × 10,574.01
  4. Step 4: Simplify right side
    14,518.85x = 230,354,279.15
  5. Step 5: Solve for x
    x = 230,354,279.15/14,518.85
  6. Step 6: Final answer
    x = 15,865.88

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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.