Home / 19,381.60-26,748.95-10,883.75

Finding the Fourth Proportional to 19,381.60, 26,748.95 and 10,883.75

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Solution

The fourth proportional to 19,381.60, 26,748.95 and 10,883.75 is: 15,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.60 : 26,748.95 = 10,883.75 : x
  2. Step 2: Convert to fraction form
    19,381.60/26,748.95 = 10,883.75/x
  3. Step 3: Cross multiply
    19,381.60x = 26,748.95 × 10,883.75
  4. Step 4: Simplify right side
    19,381.60x = 291,128,696.40
  5. Step 5: Solve for x
    x = 291,128,696.40/19,381.60
  6. Step 6: Final answer
    x = 15,020.88

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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.