Home / 27,547.36-38,015.60-14,972.12

Finding the Fourth Proportional to 27,547.36, 38,015.60 and 14,972.12

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Solution

The fourth proportional to 27,547.36, 38,015.60 and 14,972.12 is: 20,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.36 : 38,015.60 = 14,972.12 : x
  2. Step 2: Convert to fraction form
    27,547.36/38,015.60 = 14,972.12/x
  3. Step 3: Cross multiply
    27,547.36x = 38,015.60 × 14,972.12
  4. Step 4: Simplify right side
    27,547.36x = 569,174,125.07
  5. Step 5: Solve for x
    x = 569,174,125.07/27,547.36
  6. Step 6: Final answer
    x = 20,661.66

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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.