Home / 27,547.50-38,015.55-14,972.25

Finding the Fourth Proportional to 27,547.50, 38,015.55 and 14,972.25

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Solution

The fourth proportional to 27,547.50, 38,015.55 and 14,972.25 is: 20,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.50 : 38,015.55 = 14,972.25 : x
  2. Step 2: Convert to fraction form
    27,547.50/38,015.55 = 14,972.25/x
  3. Step 3: Cross multiply
    27,547.50x = 38,015.55 × 14,972.25
  4. Step 4: Simplify right side
    27,547.50x = 569,178,318.49
  5. Step 5: Solve for x
    x = 569,178,318.49/27,547.50
  6. Step 6: Final answer
    x = 20,661.71

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Double scale
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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.