Home / 15,437.24-21,303.30-8,363.66

Finding the Fourth Proportional to 15,437.24, 21,303.30 and 8,363.66

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Solution

The fourth proportional to 15,437.24, 21,303.30 and 8,363.66 is: 11,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.24 : 21,303.30 = 8,363.66 : x
  2. Step 2: Convert to fraction form
    15,437.24/21,303.30 = 8,363.66/x
  3. Step 3: Cross multiply
    15,437.24x = 21,303.30 × 8,363.66
  4. Step 4: Simplify right side
    15,437.24x = 178,173,558.08
  5. Step 5: Solve for x
    x = 178,173,558.08/15,437.24
  6. Step 6: Final answer
    x = 11,541.80

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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.