Home / 19,259.84-26,581.63-11,708.54

Finding the Fourth Proportional to 19,259.84, 26,581.63 and 11,708.54

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Solution

The fourth proportional to 19,259.84, 26,581.63 and 11,708.54 is: 16,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.84 : 26,581.63 = 11,708.54 : x
  2. Step 2: Convert to fraction form
    19,259.84/26,581.63 = 11,708.54/x
  3. Step 3: Cross multiply
    19,259.84x = 26,581.63 × 11,708.54
  4. Step 4: Simplify right side
    19,259.84x = 311,232,078.12
  5. Step 5: Solve for x
    x = 311,232,078.12/19,259.84
  6. Step 6: Final answer
    x = 16,159.64

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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.