Home / 27,547.12-38,015.22-14,971.87

Finding the Fourth Proportional to 27,547.12, 38,015.22 and 14,971.87

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Solution

The fourth proportional to 27,547.12, 38,015.22 and 14,971.87 is: 20,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.12 : 38,015.22 = 14,971.87 : x
  2. Step 2: Convert to fraction form
    27,547.12/38,015.22 = 14,971.87/x
  3. Step 3: Cross multiply
    27,547.12x = 38,015.22 × 14,971.87
  4. Step 4: Simplify right side
    27,547.12x = 569,158,931.86
  5. Step 5: Solve for x
    x = 569,158,931.86/27,547.12
  6. Step 6: Final answer
    x = 20,661.29

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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.