Home / 15,332.17-21,152.40-8,616.26

Finding the Fourth Proportional to 15,332.17, 21,152.40 and 8,616.26

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Solution

The fourth proportional to 15,332.17, 21,152.40 and 8,616.26 is: 11,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.17 : 21,152.40 = 8,616.26 : x
  2. Step 2: Convert to fraction form
    15,332.17/21,152.40 = 8,616.26/x
  3. Step 3: Cross multiply
    15,332.17x = 21,152.40 × 8,616.26
  4. Step 4: Simplify right side
    15,332.17x = 182,254,578.02
  5. Step 5: Solve for x
    x = 182,254,578.02/15,332.17
  6. Step 6: Final answer
    x = 11,887.07

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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.