Home / 27,547.08-38,015.40-14,971.86

Finding the Fourth Proportional to 27,547.08, 38,015.40 and 14,971.86

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Solution

The fourth proportional to 27,547.08, 38,015.40 and 14,971.86 is: 20,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.08 : 38,015.40 = 14,971.86 : x
  2. Step 2: Convert to fraction form
    27,547.08/38,015.40 = 14,971.86/x
  3. Step 3: Cross multiply
    27,547.08x = 38,015.40 × 14,971.86
  4. Step 4: Simplify right side
    27,547.08x = 569,161,246.64
  5. Step 5: Solve for x
    x = 569,161,246.64/27,547.08
  6. Step 6: Final answer
    x = 20,661.40

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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.