Home / 19,663.65-27,136.33-10,711.63

Finding the Fourth Proportional to 19,663.65, 27,136.33 and 10,711.63

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Solution

The fourth proportional to 19,663.65, 27,136.33 and 10,711.63 is: 14,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.65 : 27,136.33 = 10,711.63 : x
  2. Step 2: Convert to fraction form
    19,663.65/27,136.33 = 10,711.63/x
  3. Step 3: Cross multiply
    19,663.65x = 27,136.33 × 10,711.63
  4. Step 4: Simplify right side
    19,663.65x = 290,674,326.52
  5. Step 5: Solve for x
    x = 290,674,326.52/19,663.65
  6. Step 6: Final answer
    x = 14,782.32

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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.