Home / 20,832.29-28,718.64-14,853.59

Finding the Fourth Proportional to 20,832.29, 28,718.64 and 14,853.59

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Solution

The fourth proportional to 20,832.29, 28,718.64 and 14,853.59 is: 20,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.29 : 28,718.64 = 14,853.59 : x
  2. Step 2: Convert to fraction form
    20,832.29/28,718.64 = 14,853.59/x
  3. Step 3: Cross multiply
    20,832.29x = 28,718.64 × 14,853.59
  4. Step 4: Simplify right side
    20,832.29x = 426,574,903.92
  5. Step 5: Solve for x
    x = 426,574,903.92/20,832.29
  6. Step 6: Final answer
    x = 20,476.62

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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.