Home / 19,374.72-26,749.95-14,890.20

Finding the Fourth Proportional to 19,374.72, 26,749.95 and 14,890.20

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Solution

The fourth proportional to 19,374.72, 26,749.95 and 14,890.20 is: 20,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.72 : 26,749.95 = 14,890.20 : x
  2. Step 2: Convert to fraction form
    19,374.72/26,749.95 = 14,890.20/x
  3. Step 3: Cross multiply
    19,374.72x = 26,749.95 × 14,890.20
  4. Step 4: Simplify right side
    19,374.72x = 398,312,105.49
  5. Step 5: Solve for x
    x = 398,312,105.49/19,374.72
  6. Step 6: Final answer
    x = 20,558.34

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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.