Home / 27,547.76-38,015.32-14,972.40

Finding the Fourth Proportional to 27,547.76, 38,015.32 and 14,972.40

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Solution

The fourth proportional to 27,547.76, 38,015.32 and 14,972.40 is: 20,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.76 : 38,015.32 = 14,972.40 : x
  2. Step 2: Convert to fraction form
    27,547.76/38,015.32 = 14,972.40/x
  3. Step 3: Cross multiply
    27,547.76x = 38,015.32 × 14,972.40
  4. Step 4: Simplify right side
    27,547.76x = 569,180,577.17
  5. Step 5: Solve for x
    x = 569,180,577.17/27,547.76
  6. Step 6: Final answer
    x = 20,661.59

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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.