Home / 19,866.30-27,439.76-14,852.78

Finding the Fourth Proportional to 19,866.30, 27,439.76 and 14,852.78

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Solution

The fourth proportional to 19,866.30, 27,439.76 and 14,852.78 is: 20,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.30 : 27,439.76 = 14,852.78 : x
  2. Step 2: Convert to fraction form
    19,866.30/27,439.76 = 14,852.78/x
  3. Step 3: Cross multiply
    19,866.30x = 27,439.76 × 14,852.78
  4. Step 4: Simplify right side
    19,866.30x = 407,556,718.53
  5. Step 5: Solve for x
    x = 407,556,718.53/19,866.30
  6. Step 6: Final answer
    x = 20,514.98

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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.