Home / 19,360.67-26,718.80-10,865.48

Finding the Fourth Proportional to 19,360.67, 26,718.80 and 10,865.48

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Solution

The fourth proportional to 19,360.67, 26,718.80 and 10,865.48 is: 14,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.67 : 26,718.80 = 10,865.48 : x
  2. Step 2: Convert to fraction form
    19,360.67/26,718.80 = 10,865.48/x
  3. Step 3: Cross multiply
    19,360.67x = 26,718.80 × 10,865.48
  4. Step 4: Simplify right side
    19,360.67x = 290,312,399.10
  5. Step 5: Solve for x
    x = 290,312,399.10/19,360.67
  6. Step 6: Final answer
    x = 14,994.96

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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.