Home / 19,643.34-27,106.98-10,690.86

Finding the Fourth Proportional to 19,643.34, 27,106.98 and 10,690.86

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Solution

The fourth proportional to 19,643.34, 27,106.98 and 10,690.86 is: 14,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.34 : 27,106.98 = 10,690.86 : x
  2. Step 2: Convert to fraction form
    19,643.34/27,106.98 = 10,690.86/x
  3. Step 3: Cross multiply
    19,643.34x = 27,106.98 × 10,690.86
  4. Step 4: Simplify right side
    19,643.34x = 289,796,928.20
  5. Step 5: Solve for x
    x = 289,796,928.20/19,643.34
  6. Step 6: Final answer
    x = 14,752.94

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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.