Home / 19,300.96-26,641.90-11,345.55

Finding the Fourth Proportional to 19,300.96, 26,641.90 and 11,345.55

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Solution

The fourth proportional to 19,300.96, 26,641.90 and 11,345.55 is: 15,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.96 : 26,641.90 = 11,345.55 : x
  2. Step 2: Convert to fraction form
    19,300.96/26,641.90 = 11,345.55/x
  3. Step 3: Cross multiply
    19,300.96x = 26,641.90 × 11,345.55
  4. Step 4: Simplify right side
    19,300.96x = 302,267,008.55
  5. Step 5: Solve for x
    x = 302,267,008.55/19,300.96
  6. Step 6: Final answer
    x = 15,660.72

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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.