Home / 19,248.57-26,561.93-11,290.19

Finding the Fourth Proportional to 19,248.57, 26,561.93 and 11,290.19

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Solution

The fourth proportional to 19,248.57, 26,561.93 and 11,290.19 is: 15,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.57 : 26,561.93 = 11,290.19 : x
  2. Step 2: Convert to fraction form
    19,248.57/26,561.93 = 11,290.19/x
  3. Step 3: Cross multiply
    19,248.57x = 26,561.93 × 11,290.19
  4. Step 4: Simplify right side
    19,248.57x = 299,889,047.21
  5. Step 5: Solve for x
    x = 299,889,047.21/19,248.57
  6. Step 6: Final answer
    x = 15,579.81

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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.