Home / 19,503.75-26,915.58-11,543.07

Finding the Fourth Proportional to 19,503.75, 26,915.58 and 11,543.07

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Solution

The fourth proportional to 19,503.75, 26,915.58 and 11,543.07 is: 15,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.75 : 26,915.58 = 11,543.07 : x
  2. Step 2: Convert to fraction form
    19,503.75/26,915.58 = 11,543.07/x
  3. Step 3: Cross multiply
    19,503.75x = 26,915.58 × 11,543.07
  4. Step 4: Simplify right side
    19,503.75x = 310,688,424.03
  5. Step 5: Solve for x
    x = 310,688,424.03/19,503.75
  6. Step 6: Final answer
    x = 15,929.68

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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.