Home / 13,250.48-19,887.56-9,953.57

Finding the Fourth Proportional to 13,250.48, 19,887.56 and 9,953.57

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Solution

The fourth proportional to 13,250.48, 19,887.56 and 9,953.57 is: 14,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.48 : 19,887.56 = 9,953.57 : x
  2. Step 2: Convert to fraction form
    13,250.48/19,887.56 = 9,953.57/x
  3. Step 3: Cross multiply
    13,250.48x = 19,887.56 × 9,953.57
  4. Step 4: Simplify right side
    13,250.48x = 197,952,071.38
  5. Step 5: Solve for x
    x = 197,952,071.38/13,250.48
  6. Step 6: Final answer
    x = 14,939.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.