Home / 14,929.68-20,567.14-12,798.48

Finding the Fourth Proportional to 14,929.68, 20,567.14 and 12,798.48

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Solution

The fourth proportional to 14,929.68, 20,567.14 and 12,798.48 is: 17,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.68 : 20,567.14 = 12,798.48 : x
  2. Step 2: Convert to fraction form
    14,929.68/20,567.14 = 12,798.48/x
  3. Step 3: Cross multiply
    14,929.68x = 20,567.14 × 12,798.48
  4. Step 4: Simplify right side
    14,929.68x = 263,228,129.95
  5. Step 5: Solve for x
    x = 263,228,129.95/14,929.68
  6. Step 6: Final answer
    x = 17,631.20

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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.