Home / 21,698.04-29,943.30-12,266.52

Finding the Fourth Proportional to 21,698.04, 29,943.30 and 12,266.52

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Solution

The fourth proportional to 21,698.04, 29,943.30 and 12,266.52 is: 16,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698.04 : 29,943.30 = 12,266.52 : x
  2. Step 2: Convert to fraction form
    21,698.04/29,943.30 = 12,266.52/x
  3. Step 3: Cross multiply
    21,698.04x = 29,943.30 × 12,266.52
  4. Step 4: Simplify right side
    21,698.04x = 367,300,088.32
  5. Step 5: Solve for x
    x = 367,300,088.32/21,698.04
  6. Step 6: Final answer
    x = 16,927.80

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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.