Home / 14,547.08-21,820.46-5,313

Finding the Fourth Proportional to 14,547.08, 21,820.46 and 5,313

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Solution

The fourth proportional to 14,547.08, 21,820.46 and 5,313 is: 7,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.08 : 21,820.46 = 5,313 : x
  2. Step 2: Convert to fraction form
    14,547.08/21,820.46 = 5,313/x
  3. Step 3: Cross multiply
    14,547.08x = 21,820.46 × 5,313
  4. Step 4: Simplify right side
    14,547.08x = 115,932,103.98
  5. Step 5: Solve for x
    x = 115,932,103.98/14,547.08
  6. Step 6: Final answer
    x = 7,969.44

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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.