Home / 25,547.89-35,259.16-15,476.03

Finding the Fourth Proportional to 25,547.89, 35,259.16 and 15,476.03

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Solution

The fourth proportional to 25,547.89, 35,259.16 and 15,476.03 is: 21,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.89 : 35,259.16 = 15,476.03 : x
  2. Step 2: Convert to fraction form
    25,547.89/35,259.16 = 15,476.03/x
  3. Step 3: Cross multiply
    25,547.89x = 35,259.16 × 15,476.03
  4. Step 4: Simplify right side
    25,547.89x = 545,671,828.70
  5. Step 5: Solve for x
    x = 545,671,828.70/25,547.89
  6. Step 6: Final answer
    x = 21,358.78

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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.