Home / 19,315.36-26,656.68-10,933.12

Finding the Fourth Proportional to 19,315.36, 26,656.68 and 10,933.12

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Solution

The fourth proportional to 19,315.36, 26,656.68 and 10,933.12 is: 15,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.36 : 26,656.68 = 10,933.12 : x
  2. Step 2: Convert to fraction form
    19,315.36/26,656.68 = 10,933.12/x
  3. Step 3: Cross multiply
    19,315.36x = 26,656.68 × 10,933.12
  4. Step 4: Simplify right side
    19,315.36x = 291,440,681.24
  5. Step 5: Solve for x
    x = 291,440,681.24/19,315.36
  6. Step 6: Final answer
    x = 15,088.55

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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.