Home / 27,294.84-37,666.81-15,358.20

Finding the Fourth Proportional to 27,294.84, 37,666.81 and 15,358.20

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Solution

The fourth proportional to 27,294.84, 37,666.81 and 15,358.20 is: 21,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.84 : 37,666.81 = 15,358.20 : x
  2. Step 2: Convert to fraction form
    27,294.84/37,666.81 = 15,358.20/x
  3. Step 3: Cross multiply
    27,294.84x = 37,666.81 × 15,358.20
  4. Step 4: Simplify right side
    27,294.84x = 578,494,401.34
  5. Step 5: Solve for x
    x = 578,494,401.34/27,294.84
  6. Step 6: Final answer
    x = 21,194.28

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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.