Home / 26,981.64-40,445.10-10,337.40

Finding the Fourth Proportional to 26,981.64, 40,445.10 and 10,337.40

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Solution

The fourth proportional to 26,981.64, 40,445.10 and 10,337.40 is: 15,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.64 : 40,445.10 = 10,337.40 : x
  2. Step 2: Convert to fraction form
    26,981.64/40,445.10 = 10,337.40/x
  3. Step 3: Cross multiply
    26,981.64x = 40,445.10 × 10,337.40
  4. Step 4: Simplify right side
    26,981.64x = 418,097,176.74
  5. Step 5: Solve for x
    x = 418,097,176.74/26,981.64
  6. Step 6: Final answer
    x = 15,495.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.