Home / 19,045.26-26,289.36-15,502.32

Finding the Fourth Proportional to 19,045.26, 26,289.36 and 15,502.32

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Solution

The fourth proportional to 19,045.26, 26,289.36 and 15,502.32 is: 21,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.26 : 26,289.36 = 15,502.32 : x
  2. Step 2: Convert to fraction form
    19,045.26/26,289.36 = 15,502.32/x
  3. Step 3: Cross multiply
    19,045.26x = 26,289.36 × 15,502.32
  4. Step 4: Simplify right side
    19,045.26x = 407,546,071.32
  5. Step 5: Solve for x
    x = 407,546,071.32/19,045.26
  6. Step 6: Final answer
    x = 21,398.82

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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.