Home / 19,715.33-27,206.79-10,762.60

Finding the Fourth Proportional to 19,715.33, 27,206.79 and 10,762.60

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Solution

The fourth proportional to 19,715.33, 27,206.79 and 10,762.60 is: 14,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.33 : 27,206.79 = 10,762.60 : x
  2. Step 2: Convert to fraction form
    19,715.33/27,206.79 = 10,762.60/x
  3. Step 3: Cross multiply
    19,715.33x = 27,206.79 × 10,762.60
  4. Step 4: Simplify right side
    19,715.33x = 292,815,798.05
  5. Step 5: Solve for x
    x = 292,815,798.05/19,715.33
  6. Step 6: Final answer
    x = 14,852.19

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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.