Home / 20,852.02-28,750.71-16,590.07

Finding the Fourth Proportional to 20,852.02, 28,750.71 and 16,590.07

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Solution

The fourth proportional to 20,852.02, 28,750.71 and 16,590.07 is: 22,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.02 : 28,750.71 = 16,590.07 : x
  2. Step 2: Convert to fraction form
    20,852.02/28,750.71 = 16,590.07/x
  3. Step 3: Cross multiply
    20,852.02x = 28,750.71 × 16,590.07
  4. Step 4: Simplify right side
    20,852.02x = 476,976,291.45
  5. Step 5: Solve for x
    x = 476,976,291.45/20,852.02
  6. Step 6: Final answer
    x = 22,874.34

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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.