Home / 19,335.40-26,680.13-10,836.84

Finding the Fourth Proportional to 19,335.40, 26,680.13 and 10,836.84

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Solution

The fourth proportional to 19,335.40, 26,680.13 and 10,836.84 is: 14,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.40 : 26,680.13 = 10,836.84 : x
  2. Step 2: Convert to fraction form
    19,335.40/26,680.13 = 10,836.84/x
  3. Step 3: Cross multiply
    19,335.40x = 26,680.13 × 10,836.84
  4. Step 4: Simplify right side
    19,335.40x = 289,128,386.49
  5. Step 5: Solve for x
    x = 289,128,386.49/19,335.40
  6. Step 6: Final answer
    x = 14,953.32

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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.