Home / 19,922.68-27,493.98-10,970.80

Finding the Fourth Proportional to 19,922.68, 27,493.98 and 10,970.80

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Solution

The fourth proportional to 19,922.68, 27,493.98 and 10,970.80 is: 15,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.68 : 27,493.98 = 10,970.80 : x
  2. Step 2: Convert to fraction form
    19,922.68/27,493.98 = 10,970.80/x
  3. Step 3: Cross multiply
    19,922.68x = 27,493.98 × 10,970.80
  4. Step 4: Simplify right side
    19,922.68x = 301,630,955.78
  5. Step 5: Solve for x
    x = 301,630,955.78/19,922.68
  6. Step 6: Final answer
    x = 15,140.08

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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.