Home / 14,070.84-19,419.12-9,356.64

Finding the Fourth Proportional to 14,070.84, 19,419.12 and 9,356.64

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Solution

The fourth proportional to 14,070.84, 19,419.12 and 9,356.64 is: 12,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.84 : 19,419.12 = 9,356.64 : x
  2. Step 2: Convert to fraction form
    14,070.84/19,419.12 = 9,356.64/x
  3. Step 3: Cross multiply
    14,070.84x = 19,419.12 × 9,356.64
  4. Step 4: Simplify right side
    14,070.84x = 181,697,714.96
  5. Step 5: Solve for x
    x = 181,697,714.96/14,070.84
  6. Step 6: Final answer
    x = 12,913.07

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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.