Home / 19,335.29-26,681.07-10,721.72

Finding the Fourth Proportional to 19,335.29, 26,681.07 and 10,721.72

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Solution

The fourth proportional to 19,335.29, 26,681.07 and 10,721.72 is: 14,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.29 : 26,681.07 = 10,721.72 : x
  2. Step 2: Convert to fraction form
    19,335.29/26,681.07 = 10,721.72/x
  3. Step 3: Cross multiply
    19,335.29x = 26,681.07 × 10,721.72
  4. Step 4: Simplify right side
    19,335.29x = 286,066,961.84
  5. Step 5: Solve for x
    x = 286,066,961.84/19,335.29
  6. Step 6: Final answer
    x = 14,795.07

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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.