Home / 25,278.16-34,881.89-13,948.08

Finding the Fourth Proportional to 25,278.16, 34,881.89 and 13,948.08

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Solution

The fourth proportional to 25,278.16, 34,881.89 and 13,948.08 is: 19,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.16 : 34,881.89 = 13,948.08 : x
  2. Step 2: Convert to fraction form
    25,278.16/34,881.89 = 13,948.08/x
  3. Step 3: Cross multiply
    25,278.16x = 34,881.89 × 13,948.08
  4. Step 4: Simplify right side
    25,278.16x = 486,535,392.27
  5. Step 5: Solve for x
    x = 486,535,392.27/25,278.16
  6. Step 6: Final answer
    x = 19,247.26

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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.