Home / 19,543.95-26,971.38-11,585.70

Finding the Fourth Proportional to 19,543.95, 26,971.38 and 11,585.70

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Solution

The fourth proportional to 19,543.95, 26,971.38 and 11,585.70 is: 15,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.95 : 26,971.38 = 11,585.70 : x
  2. Step 2: Convert to fraction form
    19,543.95/26,971.38 = 11,585.70/x
  3. Step 3: Cross multiply
    19,543.95x = 26,971.38 × 11,585.70
  4. Step 4: Simplify right side
    19,543.95x = 312,482,317.27
  5. Step 5: Solve for x
    x = 312,482,317.27/19,543.95
  6. Step 6: Final answer
    x = 15,988.70

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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.