Home / 13,590.84-20,359.72-9,364.13

Finding the Fourth Proportional to 13,590.84, 20,359.72 and 9,364.13

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Solution

The fourth proportional to 13,590.84, 20,359.72 and 9,364.13 is: 14,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.84 : 20,359.72 = 9,364.13 : x
  2. Step 2: Convert to fraction form
    13,590.84/20,359.72 = 9,364.13/x
  3. Step 3: Cross multiply
    13,590.84x = 20,359.72 × 9,364.13
  4. Step 4: Simplify right side
    13,590.84x = 190,651,064.84
  5. Step 5: Solve for x
    x = 190,651,064.84/13,590.84
  6. Step 6: Final answer
    x = 14,027.91

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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.