Home / 25,158.96-34,717.66-13,828.20

Finding the Fourth Proportional to 25,158.96, 34,717.66 and 13,828.20

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Solution

The fourth proportional to 25,158.96, 34,717.66 and 13,828.20 is: 19,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.96 : 34,717.66 = 13,828.20 : x
  2. Step 2: Convert to fraction form
    25,158.96/34,717.66 = 13,828.20/x
  3. Step 3: Cross multiply
    25,158.96x = 34,717.66 × 13,828.20
  4. Step 4: Simplify right side
    25,158.96x = 480,082,746.01
  5. Step 5: Solve for x
    x = 480,082,746.01/25,158.96
  6. Step 6: Final answer
    x = 19,081.98

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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.