Home / 19,749.51-27,236.67-16,386.99

Finding the Fourth Proportional to 19,749.51, 27,236.67 and 16,386.99

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Solution

The fourth proportional to 19,749.51, 27,236.67 and 16,386.99 is: 22,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.51 : 27,236.67 = 16,386.99 : x
  2. Step 2: Convert to fraction form
    19,749.51/27,236.67 = 16,386.99/x
  3. Step 3: Cross multiply
    19,749.51x = 27,236.67 × 16,386.99
  4. Step 4: Simplify right side
    19,749.51x = 446,327,038.92
  5. Step 5: Solve for x
    x = 446,327,038.92/19,749.51
  6. Step 6: Final answer
    x = 22,599.40

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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.