Home / 19,311.68-26,646.88-10,926.40

Finding the Fourth Proportional to 19,311.68, 26,646.88 and 10,926.40

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Solution

The fourth proportional to 19,311.68, 26,646.88 and 10,926.40 is: 15,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.68 : 26,646.88 = 10,926.40 : x
  2. Step 2: Convert to fraction form
    19,311.68/26,646.88 = 10,926.40/x
  3. Step 3: Cross multiply
    19,311.68x = 26,646.88 × 10,926.40
  4. Step 4: Simplify right side
    19,311.68x = 291,154,469.63
  5. Step 5: Solve for x
    x = 291,154,469.63/19,311.68
  6. Step 6: Final answer
    x = 15,076.60

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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.