Home / 14,617.52-21,920.56-4,754.40

Finding the Fourth Proportional to 14,617.52, 21,920.56 and 4,754.40

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Solution

The fourth proportional to 14,617.52, 21,920.56 and 4,754.40 is: 7,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.52 : 21,920.56 = 4,754.40 : x
  2. Step 2: Convert to fraction form
    14,617.52/21,920.56 = 4,754.40/x
  3. Step 3: Cross multiply
    14,617.52x = 21,920.56 × 4,754.40
  4. Step 4: Simplify right side
    14,617.52x = 104,219,110.46
  5. Step 5: Solve for x
    x = 104,219,110.46/14,617.52
  6. Step 6: Final answer
    x = 7,129.74

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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.