Home / 14,535.40-21,803.10-3,591.40

Finding the Fourth Proportional to 14,535.40, 21,803.10 and 3,591.40

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Solution

The fourth proportional to 14,535.40, 21,803.10 and 3,591.40 is: 5,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.40 : 21,803.10 = 3,591.40 : x
  2. Step 2: Convert to fraction form
    14,535.40/21,803.10 = 3,591.40/x
  3. Step 3: Cross multiply
    14,535.40x = 21,803.10 × 3,591.40
  4. Step 4: Simplify right side
    14,535.40x = 78,303,653.34
  5. Step 5: Solve for x
    x = 78,303,653.34/14,535.40
  6. Step 6: Final answer
    x = 5,387.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.