Home / 19,568.40-27,004.14-10,615.65

Finding the Fourth Proportional to 19,568.40, 27,004.14 and 10,615.65

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Solution

The fourth proportional to 19,568.40, 27,004.14 and 10,615.65 is: 14,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.40 : 27,004.14 = 10,615.65 : x
  2. Step 2: Convert to fraction form
    19,568.40/27,004.14 = 10,615.65/x
  3. Step 3: Cross multiply
    19,568.40x = 27,004.14 × 10,615.65
  4. Step 4: Simplify right side
    19,568.40x = 286,666,498.79
  5. Step 5: Solve for x
    x = 286,666,498.79/19,568.40
  6. Step 6: Final answer
    x = 14,649.46

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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.