Home / 14,386.71-19,859.06-10,640.03

Finding the Fourth Proportional to 14,386.71, 19,859.06 and 10,640.03

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Solution

The fourth proportional to 14,386.71, 19,859.06 and 10,640.03 is: 14,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.71 : 19,859.06 = 10,640.03 : x
  2. Step 2: Convert to fraction form
    14,386.71/19,859.06 = 10,640.03/x
  3. Step 3: Cross multiply
    14,386.71x = 19,859.06 × 10,640.03
  4. Step 4: Simplify right side
    14,386.71x = 211,300,841.68
  5. Step 5: Solve for x
    x = 211,300,841.68/14,386.71
  6. Step 6: Final answer
    x = 14,687.22

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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.