Home / 26,313.13-36,312.11-15,135.13

Finding the Fourth Proportional to 26,313.13, 36,312.11 and 15,135.13

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Solution

The fourth proportional to 26,313.13, 36,312.11 and 15,135.13 is: 20,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.13 : 36,312.11 = 15,135.13 : x
  2. Step 2: Convert to fraction form
    26,313.13/36,312.11 = 15,135.13/x
  3. Step 3: Cross multiply
    26,313.13x = 36,312.11 × 15,135.13
  4. Step 4: Simplify right side
    26,313.13x = 549,588,505.42
  5. Step 5: Solve for x
    x = 549,588,505.42/26,313.13
  6. Step 6: Final answer
    x = 20,886.47

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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.