Home / 19,513.35-26,931.92-11,559.51

Finding the Fourth Proportional to 19,513.35, 26,931.92 and 11,559.51

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Solution

The fourth proportional to 19,513.35, 26,931.92 and 11,559.51 is: 15,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.35 : 26,931.92 = 11,559.51 : x
  2. Step 2: Convert to fraction form
    19,513.35/26,931.92 = 11,559.51/x
  3. Step 3: Cross multiply
    19,513.35x = 26,931.92 × 11,559.51
  4. Step 4: Simplify right side
    19,513.35x = 311,319,740.76
  5. Step 5: Solve for x
    x = 311,319,740.76/19,513.35
  6. Step 6: Final answer
    x = 15,954.19

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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.