Home / 19,186.63-26,477.15-10,688.74

Finding the Fourth Proportional to 19,186.63, 26,477.15 and 10,688.74

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Solution

The fourth proportional to 19,186.63, 26,477.15 and 10,688.74 is: 14,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.63 : 26,477.15 = 10,688.74 : x
  2. Step 2: Convert to fraction form
    19,186.63/26,477.15 = 10,688.74/x
  3. Step 3: Cross multiply
    19,186.63x = 26,477.15 × 10,688.74
  4. Step 4: Simplify right side
    19,186.63x = 283,007,345.57
  5. Step 5: Solve for x
    x = 283,007,345.57/19,186.63
  6. Step 6: Final answer
    x = 14,750.24

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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.