Home / 19,899.90-27,461.30-10,824.98

Finding the Fourth Proportional to 19,899.90, 27,461.30 and 10,824.98

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Solution

The fourth proportional to 19,899.90, 27,461.30 and 10,824.98 is: 14,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.90 : 27,461.30 = 10,824.98 : x
  2. Step 2: Convert to fraction form
    19,899.90/27,461.30 = 10,824.98/x
  3. Step 3: Cross multiply
    19,899.90x = 27,461.30 × 10,824.98
  4. Step 4: Simplify right side
    19,899.90x = 297,267,831.84
  5. Step 5: Solve for x
    x = 297,267,831.84/19,899.90
  6. Step 6: Final answer
    x = 14,938.16

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Double scale
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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.