Home / 19,055.40-26,283.33-13,402.14

Finding the Fourth Proportional to 19,055.40, 26,283.33 and 13,402.14

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Solution

The fourth proportional to 19,055.40, 26,283.33 and 13,402.14 is: 18,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.40 : 26,283.33 = 13,402.14 : x
  2. Step 2: Convert to fraction form
    19,055.40/26,283.33 = 13,402.14/x
  3. Step 3: Cross multiply
    19,055.40x = 26,283.33 × 13,402.14
  4. Step 4: Simplify right side
    19,055.40x = 352,252,868.33
  5. Step 5: Solve for x
    x = 352,252,868.33/19,055.40
  6. Step 6: Final answer
    x = 18,485.72

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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.