Home / 19,200.56-26,495.48-12,030.28

Finding the Fourth Proportional to 19,200.56, 26,495.48 and 12,030.28

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Solution

The fourth proportional to 19,200.56, 26,495.48 and 12,030.28 is: 16,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.56 : 26,495.48 = 12,030.28 : x
  2. Step 2: Convert to fraction form
    19,200.56/26,495.48 = 12,030.28/x
  3. Step 3: Cross multiply
    19,200.56x = 26,495.48 × 12,030.28
  4. Step 4: Simplify right side
    19,200.56x = 318,748,006.97
  5. Step 5: Solve for x
    x = 318,748,006.97/19,200.56
  6. Step 6: Final answer
    x = 16,600.97

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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.