Home / 14,543.07-20,068.91-8,887.29

Finding the Fourth Proportional to 14,543.07, 20,068.91 and 8,887.29

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Solution

The fourth proportional to 14,543.07, 20,068.91 and 8,887.29 is: 12,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.07 : 20,068.91 = 8,887.29 : x
  2. Step 2: Convert to fraction form
    14,543.07/20,068.91 = 8,887.29/x
  3. Step 3: Cross multiply
    14,543.07x = 20,068.91 × 8,887.29
  4. Step 4: Simplify right side
    14,543.07x = 178,358,122.81
  5. Step 5: Solve for x
    x = 178,358,122.81/14,543.07
  6. Step 6: Final answer
    x = 12,264.13

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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.