Home / 22,935.04-31,656-13,987.48

Finding the Fourth Proportional to 22,935.04, 31,656 and 13,987.48

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Solution

The fourth proportional to 22,935.04, 31,656 and 13,987.48 is: 19,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.04 : 31,656 = 13,987.48 : x
  2. Step 2: Convert to fraction form
    22,935.04/31,656 = 13,987.48/x
  3. Step 3: Cross multiply
    22,935.04x = 31,656 × 13,987.48
  4. Step 4: Simplify right side
    22,935.04x = 442,787,666.88
  5. Step 5: Solve for x
    x = 442,787,666.88/22,935.04
  6. Step 6: Final answer
    x = 19,306.17

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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.