Home / 19,411.02-26,783.10-12,334.86

Finding the Fourth Proportional to 19,411.02, 26,783.10 and 12,334.86

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Solution

The fourth proportional to 19,411.02, 26,783.10 and 12,334.86 is: 17,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.02 : 26,783.10 = 12,334.86 : x
  2. Step 2: Convert to fraction form
    19,411.02/26,783.10 = 12,334.86/x
  3. Step 3: Cross multiply
    19,411.02x = 26,783.10 × 12,334.86
  4. Step 4: Simplify right side
    19,411.02x = 330,365,788.87
  5. Step 5: Solve for x
    x = 330,365,788.87/19,411.02
  6. Step 6: Final answer
    x = 17,019.50

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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.