Home / 23,278.34-32,118.59-13,718.77

Finding the Fourth Proportional to 23,278.34, 32,118.59 and 13,718.77

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Solution

The fourth proportional to 23,278.34, 32,118.59 and 13,718.77 is: 18,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.34 : 32,118.59 = 13,718.77 : x
  2. Step 2: Convert to fraction form
    23,278.34/32,118.59 = 13,718.77/x
  3. Step 3: Cross multiply
    23,278.34x = 32,118.59 × 13,718.77
  4. Step 4: Simplify right side
    23,278.34x = 440,627,502.93
  5. Step 5: Solve for x
    x = 440,627,502.93/23,278.34
  6. Step 6: Final answer
    x = 18,928.65

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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.