Home / 14,465.28-19,962.54-8,178.06

Finding the Fourth Proportional to 14,465.28, 19,962.54 and 8,178.06

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Solution

The fourth proportional to 14,465.28, 19,962.54 and 8,178.06 is: 11,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.28 : 19,962.54 = 8,178.06 : x
  2. Step 2: Convert to fraction form
    14,465.28/19,962.54 = 8,178.06/x
  3. Step 3: Cross multiply
    14,465.28x = 19,962.54 × 8,178.06
  4. Step 4: Simplify right side
    14,465.28x = 163,254,849.87
  5. Step 5: Solve for x
    x = 163,254,849.87/14,465.28
  6. Step 6: Final answer
    x = 11,285.98

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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.