Home / 15,547.35-23,320.83-9,309.09

Finding the Fourth Proportional to 15,547.35, 23,320.83 and 9,309.09

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Solution

The fourth proportional to 15,547.35, 23,320.83 and 9,309.09 is: 13,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.35 : 23,320.83 = 9,309.09 : x
  2. Step 2: Convert to fraction form
    15,547.35/23,320.83 = 9,309.09/x
  3. Step 3: Cross multiply
    15,547.35x = 23,320.83 × 9,309.09
  4. Step 4: Simplify right side
    15,547.35x = 217,095,705.34
  5. Step 5: Solve for x
    x = 217,095,705.34/15,547.35
  6. Step 6: Final answer
    x = 13,963.52

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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.