Home / 26,470.68-39,715.14-13,312.23

Finding the Fourth Proportional to 26,470.68, 39,715.14 and 13,312.23

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Solution

The fourth proportional to 26,470.68, 39,715.14 and 13,312.23 is: 19,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,470.68 : 39,715.14 = 13,312.23 : x
  2. Step 2: Convert to fraction form
    26,470.68/39,715.14 = 13,312.23/x
  3. Step 3: Cross multiply
    26,470.68x = 39,715.14 × 13,312.23
  4. Step 4: Simplify right side
    26,470.68x = 528,697,078.16
  5. Step 5: Solve for x
    x = 528,697,078.16/26,470.68
  6. Step 6: Final answer
    x = 19,972.93

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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.