Home / 15,567.22-21,482.65-8,852.84

Finding the Fourth Proportional to 15,567.22, 21,482.65 and 8,852.84

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Solution

The fourth proportional to 15,567.22, 21,482.65 and 8,852.84 is: 12,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.22 : 21,482.65 = 8,852.84 : x
  2. Step 2: Convert to fraction form
    15,567.22/21,482.65 = 8,852.84/x
  3. Step 3: Cross multiply
    15,567.22x = 21,482.65 × 8,852.84
  4. Step 4: Simplify right side
    15,567.22x = 190,182,441.09
  5. Step 5: Solve for x
    x = 190,182,441.09/15,567.22
  6. Step 6: Final answer
    x = 12,216.86

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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.