Home / 14,127.66-19,482.54-9,345.42

Finding the Fourth Proportional to 14,127.66, 19,482.54 and 9,345.42

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Solution

The fourth proportional to 14,127.66, 19,482.54 and 9,345.42 is: 12,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.66 : 19,482.54 = 9,345.42 : x
  2. Step 2: Convert to fraction form
    14,127.66/19,482.54 = 9,345.42/x
  3. Step 3: Cross multiply
    14,127.66x = 19,482.54 × 9,345.42
  4. Step 4: Simplify right side
    14,127.66x = 182,072,518.97
  5. Step 5: Solve for x
    x = 182,072,518.97/14,127.66
  6. Step 6: Final answer
    x = 12,887.66

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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.