Home / 25,055.72-34,572.70-14,988.28

Finding the Fourth Proportional to 25,055.72, 34,572.70 and 14,988.28

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Solution

The fourth proportional to 25,055.72, 34,572.70 and 14,988.28 is: 20,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.72 : 34,572.70 = 14,988.28 : x
  2. Step 2: Convert to fraction form
    25,055.72/34,572.70 = 14,988.28/x
  3. Step 3: Cross multiply
    25,055.72x = 34,572.70 × 14,988.28
  4. Step 4: Simplify right side
    25,055.72x = 518,185,307.96
  5. Step 5: Solve for x
    x = 518,185,307.96/25,055.72
  6. Step 6: Final answer
    x = 20,681.32

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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.