Home / 19,312.04-26,651.14-10,929

Finding the Fourth Proportional to 19,312.04, 26,651.14 and 10,929

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Solution

The fourth proportional to 19,312.04, 26,651.14 and 10,929 is: 15,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.04 : 26,651.14 = 10,929 : x
  2. Step 2: Convert to fraction form
    19,312.04/26,651.14 = 10,929/x
  3. Step 3: Cross multiply
    19,312.04x = 26,651.14 × 10,929
  4. Step 4: Simplify right side
    19,312.04x = 291,270,309.06
  5. Step 5: Solve for x
    x = 291,270,309.06/19,312.04
  6. Step 6: Final answer
    x = 15,082.32

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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.