Home / 19,472.13-26,871.65-11,088.63

Finding the Fourth Proportional to 19,472.13, 26,871.65 and 11,088.63

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Solution

The fourth proportional to 19,472.13, 26,871.65 and 11,088.63 is: 15,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.13 : 26,871.65 = 11,088.63 : x
  2. Step 2: Convert to fraction form
    19,472.13/26,871.65 = 11,088.63/x
  3. Step 3: Cross multiply
    19,472.13x = 26,871.65 × 11,088.63
  4. Step 4: Simplify right side
    19,472.13x = 297,969,770.48
  5. Step 5: Solve for x
    x = 297,969,770.48/19,472.13
  6. Step 6: Final answer
    x = 15,302.37

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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.