Home / 22,514.22-31,068.63-12,953.70

Finding the Fourth Proportional to 22,514.22, 31,068.63 and 12,953.70

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Solution

The fourth proportional to 22,514.22, 31,068.63 and 12,953.70 is: 17,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,514.22 : 31,068.63 = 12,953.70 : x
  2. Step 2: Convert to fraction form
    22,514.22/31,068.63 = 12,953.70/x
  3. Step 3: Cross multiply
    22,514.22x = 31,068.63 × 12,953.70
  4. Step 4: Simplify right side
    22,514.22x = 402,453,712.43
  5. Step 5: Solve for x
    x = 402,453,712.43/22,514.22
  6. Step 6: Final answer
    x = 17,875.53

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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.