Home / 26,312.32-36,302.72-15,696.64

Finding the Fourth Proportional to 26,312.32, 36,302.72 and 15,696.64

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Solution

The fourth proportional to 26,312.32, 36,302.72 and 15,696.64 is: 21,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.32 : 36,302.72 = 15,696.64 : x
  2. Step 2: Convert to fraction form
    26,312.32/36,302.72 = 15,696.64/x
  3. Step 3: Cross multiply
    26,312.32x = 36,302.72 × 15,696.64
  4. Step 4: Simplify right side
    26,312.32x = 569,830,726.86
  5. Step 5: Solve for x
    x = 569,830,726.86/26,312.32
  6. Step 6: Final answer
    x = 21,656.42

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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.