Home / 19,315.83-26,653.95-11,360.01

Finding the Fourth Proportional to 19,315.83, 26,653.95 and 11,360.01

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Solution

The fourth proportional to 19,315.83, 26,653.95 and 11,360.01 is: 15,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.83 : 26,653.95 = 11,360.01 : x
  2. Step 2: Convert to fraction form
    19,315.83/26,653.95 = 11,360.01/x
  3. Step 3: Cross multiply
    19,315.83x = 26,653.95 × 11,360.01
  4. Step 4: Simplify right side
    19,315.83x = 302,789,138.54
  5. Step 5: Solve for x
    x = 302,789,138.54/19,315.83
  6. Step 6: Final answer
    x = 15,675.70

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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.