Home / 13,588.49-18,752.10-7,923.48

Finding the Fourth Proportional to 13,588.49, 18,752.10 and 7,923.48

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Solution

The fourth proportional to 13,588.49, 18,752.10 and 7,923.48 is: 10,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.49 : 18,752.10 = 7,923.48 : x
  2. Step 2: Convert to fraction form
    13,588.49/18,752.10 = 7,923.48/x
  3. Step 3: Cross multiply
    13,588.49x = 18,752.10 × 7,923.48
  4. Step 4: Simplify right side
    13,588.49x = 148,581,889.31
  5. Step 5: Solve for x
    x = 148,581,889.31/13,588.49
  6. Step 6: Final answer
    x = 10,934.40

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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.