Home / 19,203.75-26,502.53-10,820.25

Finding the Fourth Proportional to 19,203.75, 26,502.53 and 10,820.25

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Solution

The fourth proportional to 19,203.75, 26,502.53 and 10,820.25 is: 14,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.75 : 26,502.53 = 10,820.25 : x
  2. Step 2: Convert to fraction form
    19,203.75/26,502.53 = 10,820.25/x
  3. Step 3: Cross multiply
    19,203.75x = 26,502.53 × 10,820.25
  4. Step 4: Simplify right side
    19,203.75x = 286,763,946.13
  5. Step 5: Solve for x
    x = 286,763,946.13/19,203.75
  6. Step 6: Final answer
    x = 14,932.71

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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.