Home / 15,409.98-23,111.73-5,547.96

Finding the Fourth Proportional to 15,409.98, 23,111.73 and 5,547.96

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Solution

The fourth proportional to 15,409.98, 23,111.73 and 5,547.96 is: 8,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.98 : 23,111.73 = 5,547.96 : x
  2. Step 2: Convert to fraction form
    15,409.98/23,111.73 = 5,547.96/x
  3. Step 3: Cross multiply
    15,409.98x = 23,111.73 × 5,547.96
  4. Step 4: Simplify right side
    15,409.98x = 128,222,953.57
  5. Step 5: Solve for x
    x = 128,222,953.57/15,409.98
  6. Step 6: Final answer
    x = 8,320.77

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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.