Home / 27,547.14-38,014.82-14,971.90

Finding the Fourth Proportional to 27,547.14, 38,014.82 and 14,971.90

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Solution

The fourth proportional to 27,547.14, 38,014.82 and 14,971.90 is: 20,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.14 : 38,014.82 = 14,971.90 : x
  2. Step 2: Convert to fraction form
    27,547.14/38,014.82 = 14,971.90/x
  3. Step 3: Cross multiply
    27,547.14x = 38,014.82 × 14,971.90
  4. Step 4: Simplify right side
    27,547.14x = 569,154,083.56
  5. Step 5: Solve for x
    x = 569,154,083.56/27,547.14
  6. Step 6: Final answer
    x = 20,661.10

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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.