Home / 25,303.19-34,918.68-13,972.67

Finding the Fourth Proportional to 25,303.19, 34,918.68 and 13,972.67

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Solution

The fourth proportional to 25,303.19, 34,918.68 and 13,972.67 is: 19,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.19 : 34,918.68 = 13,972.67 : x
  2. Step 2: Convert to fraction form
    25,303.19/34,918.68 = 13,972.67/x
  3. Step 3: Cross multiply
    25,303.19x = 34,918.68 × 13,972.67
  4. Step 4: Simplify right side
    25,303.19x = 487,907,017.88
  5. Step 5: Solve for x
    x = 487,907,017.88/25,303.19
  6. Step 6: Final answer
    x = 19,282.43

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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.