Home / 26,368.13-36,387.98-14,431.47

Finding the Fourth Proportional to 26,368.13, 36,387.98 and 14,431.47

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Solution

The fourth proportional to 26,368.13, 36,387.98 and 14,431.47 is: 19,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.13 : 36,387.98 = 14,431.47 : x
  2. Step 2: Convert to fraction form
    26,368.13/36,387.98 = 14,431.47/x
  3. Step 3: Cross multiply
    26,368.13x = 36,387.98 × 14,431.47
  4. Step 4: Simplify right side
    26,368.13x = 525,131,968.41
  5. Step 5: Solve for x
    x = 525,131,968.41/26,368.13
  6. Step 6: Final answer
    x = 19,915.40

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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.