Home / 15,555.32-21,466.84-8,750.52

Finding the Fourth Proportional to 15,555.32, 21,466.84 and 8,750.52

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Solution

The fourth proportional to 15,555.32, 21,466.84 and 8,750.52 is: 12,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.32 : 21,466.84 = 8,750.52 : x
  2. Step 2: Convert to fraction form
    15,555.32/21,466.84 = 8,750.52/x
  3. Step 3: Cross multiply
    15,555.32x = 21,466.84 × 8,750.52
  4. Step 4: Simplify right side
    15,555.32x = 187,846,012.76
  5. Step 5: Solve for x
    x = 187,846,012.76/15,555.32
  6. Step 6: Final answer
    x = 12,076.00

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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.