Home / 19,071.31-26,317.69-10,687.27

Finding the Fourth Proportional to 19,071.31, 26,317.69 and 10,687.27

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Solution

The fourth proportional to 19,071.31, 26,317.69 and 10,687.27 is: 14,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.31 : 26,317.69 = 10,687.27 : x
  2. Step 2: Convert to fraction form
    19,071.31/26,317.69 = 10,687.27/x
  3. Step 3: Cross multiply
    19,071.31x = 26,317.69 × 10,687.27
  4. Step 4: Simplify right side
    19,071.31x = 281,264,258.81
  5. Step 5: Solve for x
    x = 281,264,258.81/19,071.31
  6. Step 6: Final answer
    x = 14,748.03

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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.