Home / 25,218.86-34,801.70-13,888.14

Finding the Fourth Proportional to 25,218.86, 34,801.70 and 13,888.14

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Solution

The fourth proportional to 25,218.86, 34,801.70 and 13,888.14 is: 19,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.86 : 34,801.70 = 13,888.14 : x
  2. Step 2: Convert to fraction form
    25,218.86/34,801.70 = 13,888.14/x
  3. Step 3: Cross multiply
    25,218.86x = 34,801.70 × 13,888.14
  4. Step 4: Simplify right side
    25,218.86x = 483,330,881.84
  5. Step 5: Solve for x
    x = 483,330,881.84/25,218.86
  6. Step 6: Final answer
    x = 19,165.45

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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.