Home / 14,830.98-20,471.31-8,547.54

Finding the Fourth Proportional to 14,830.98, 20,471.31 and 8,547.54

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Solution

The fourth proportional to 14,830.98, 20,471.31 and 8,547.54 is: 11,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.98 : 20,471.31 = 8,547.54 : x
  2. Step 2: Convert to fraction form
    14,830.98/20,471.31 = 8,547.54/x
  3. Step 3: Cross multiply
    14,830.98x = 20,471.31 × 8,547.54
  4. Step 4: Simplify right side
    14,830.98x = 174,979,341.08
  5. Step 5: Solve for x
    x = 174,979,341.08/14,830.98
  6. Step 6: Final answer
    x = 11,798.23

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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.