Home / 18,895.04-26,070.32-12,928.56

Finding the Fourth Proportional to 18,895.04, 26,070.32 and 12,928.56

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Solution

The fourth proportional to 18,895.04, 26,070.32 and 12,928.56 is: 17,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.04 : 26,070.32 = 12,928.56 : x
  2. Step 2: Convert to fraction form
    18,895.04/26,070.32 = 12,928.56/x
  3. Step 3: Cross multiply
    18,895.04x = 26,070.32 × 12,928.56
  4. Step 4: Simplify right side
    18,895.04x = 337,051,696.34
  5. Step 5: Solve for x
    x = 337,051,696.34/18,895.04
  6. Step 6: Final answer
    x = 17,838.10

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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.