Home / 19,430.53-26,813.29-10,932.50

Finding the Fourth Proportional to 19,430.53, 26,813.29 and 10,932.50

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Solution

The fourth proportional to 19,430.53, 26,813.29 and 10,932.50 is: 15,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.53 : 26,813.29 = 10,932.50 : x
  2. Step 2: Convert to fraction form
    19,430.53/26,813.29 = 10,932.50/x
  3. Step 3: Cross multiply
    19,430.53x = 26,813.29 × 10,932.50
  4. Step 4: Simplify right side
    19,430.53x = 293,136,292.93
  5. Step 5: Solve for x
    x = 293,136,292.93/19,430.53
  6. Step 6: Final answer
    x = 15,086.38

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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.