Home / 26,400.14-36,432.50-15,071.18

Finding the Fourth Proportional to 26,400.14, 36,432.50 and 15,071.18

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Solution

The fourth proportional to 26,400.14, 36,432.50 and 15,071.18 is: 20,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.14 : 36,432.50 = 15,071.18 : x
  2. Step 2: Convert to fraction form
    26,400.14/36,432.50 = 15,071.18/x
  3. Step 3: Cross multiply
    26,400.14x = 36,432.50 × 15,071.18
  4. Step 4: Simplify right side
    26,400.14x = 549,080,620.87
  5. Step 5: Solve for x
    x = 549,080,620.87/26,400.14
  6. Step 6: Final answer
    x = 20,798.40

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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.