Home / 13,491.80-18,598.38-10,502.36

Finding the Fourth Proportional to 13,491.80, 18,598.38 and 10,502.36

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Solution

The fourth proportional to 13,491.80, 18,598.38 and 10,502.36 is: 14,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.80 : 18,598.38 = 10,502.36 : x
  2. Step 2: Convert to fraction form
    13,491.80/18,598.38 = 10,502.36/x
  3. Step 3: Cross multiply
    13,491.80x = 18,598.38 × 10,502.36
  4. Step 4: Simplify right side
    13,491.80x = 195,326,882.18
  5. Step 5: Solve for x
    x = 195,326,882.18/13,491.80
  6. Step 6: Final answer
    x = 14,477.45

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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.