Home / 25,970.48-38,924.95-11,918.67

Finding the Fourth Proportional to 25,970.48, 38,924.95 and 11,918.67

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Solution

The fourth proportional to 25,970.48, 38,924.95 and 11,918.67 is: 17,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.48 : 38,924.95 = 11,918.67 : x
  2. Step 2: Convert to fraction form
    25,970.48/38,924.95 = 11,918.67/x
  3. Step 3: Cross multiply
    25,970.48x = 38,924.95 × 11,918.67
  4. Step 4: Simplify right side
    25,970.48x = 463,933,633.82
  5. Step 5: Solve for x
    x = 463,933,633.82/25,970.48
  6. Step 6: Final answer
    x = 17,863.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.