Home / 19,580.65-27,021.36-10,628.16

Finding the Fourth Proportional to 19,580.65, 27,021.36 and 10,628.16

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Solution

The fourth proportional to 19,580.65, 27,021.36 and 10,628.16 is: 14,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.65 : 27,021.36 = 10,628.16 : x
  2. Step 2: Convert to fraction form
    19,580.65/27,021.36 = 10,628.16/x
  3. Step 3: Cross multiply
    19,580.65x = 27,021.36 × 10,628.16
  4. Step 4: Simplify right side
    19,580.65x = 287,187,337.50
  5. Step 5: Solve for x
    x = 287,187,337.50/19,580.65
  6. Step 6: Final answer
    x = 14,666.89

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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.