Home / 14,253.52-19,670-7,966.32

Finding the Fourth Proportional to 14,253.52, 19,670 and 7,966.32

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Solution

The fourth proportional to 14,253.52, 19,670 and 7,966.32 is: 10,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.52 : 19,670 = 7,966.32 : x
  2. Step 2: Convert to fraction form
    14,253.52/19,670 = 7,966.32/x
  3. Step 3: Cross multiply
    14,253.52x = 19,670 × 7,966.32
  4. Step 4: Simplify right side
    14,253.52x = 156,697,514.40
  5. Step 5: Solve for x
    x = 156,697,514.40/14,253.52
  6. Step 6: Final answer
    x = 10,993.60

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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.