Home / 22,416.95-30,947.81-13,466.63

Finding the Fourth Proportional to 22,416.95, 30,947.81 and 13,466.63

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Solution

The fourth proportional to 22,416.95, 30,947.81 and 13,466.63 is: 18,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.95 : 30,947.81 = 13,466.63 : x
  2. Step 2: Convert to fraction form
    22,416.95/30,947.81 = 13,466.63/x
  3. Step 3: Cross multiply
    22,416.95x = 30,947.81 × 13,466.63
  4. Step 4: Simplify right side
    22,416.95x = 416,762,484.51
  5. Step 5: Solve for x
    x = 416,762,484.51/22,416.95
  6. Step 6: Final answer
    x = 18,591.40

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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.