Home / 19,970.41-27,539.48-15,492.53

Finding the Fourth Proportional to 19,970.41, 27,539.48 and 15,492.53

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Solution

The fourth proportional to 19,970.41, 27,539.48 and 15,492.53 is: 21,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.41 : 27,539.48 = 15,492.53 : x
  2. Step 2: Convert to fraction form
    19,970.41/27,539.48 = 15,492.53/x
  3. Step 3: Cross multiply
    19,970.41x = 27,539.48 × 15,492.53
  4. Step 4: Simplify right side
    19,970.41x = 426,656,004.92
  5. Step 5: Solve for x
    x = 426,656,004.92/19,970.41
  6. Step 6: Final answer
    x = 21,364.41

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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.